Privacy Policy

Effective Date: December 18, 2025
Last Updated: December 18, 2025 (Fact-checked and updated for 2025 compliance standards)

This Privacy Policy describes how PercentDecreaseCalculator.com ("we," "us," or "our") collects, uses, and protects information when you use our website and calculator tool.

1. Information We Collect

1.1 Calculator Usage Data

Our percent decrease calculator performs all calculations locally in your web browser. The values you enter into the calculator are:

• NOT stored on our servers
• NOT transmitted to us or any third parties
• NOT saved in cookies or local storage
• Processed entirely within your browser session

1.2 Automatically Collected Information

When you visit our website, we may automatically collect certain information about your device and usage patterns, including:

• Technical Information: IP address, browser type, device type, operating system
• Usage Information: Pages visited, time spent on pages, referring website, date and time of visit
• Analytics Data: General traffic patterns and user behavior (aggregated and anonymized)

1.3 Cookies and Tracking Technologies

We use minimal cookies and similar tracking technologies for:

• Essential Cookies: Necessary for website functionality (session management, security)
• Analytics Cookies: To understand how visitors use our site (Google Analytics or similar)
• Preference Cookies: To remember your settings and choices (if any)

You can control cookie preferences through your browser settings. Note that disabling cookies may affect website functionality.

1.4 Information You Provide

If you contact us via email or a contact form, we collect:

• Your name
• Email address
• Message content
• Any other information you choose to provide

2. How We Use Your Information

We use collected information for the following purposes:

2.1 Website Operation and Improvement

• To provide and maintain our calculator tool
• To improve website performance and user experience
• To diagnose technical issues and bugs
• To understand how visitors use our website

2.2 Communication

• To respond to your inquiries and support requests
• To send important notices about service changes (if you've contacted us)

2.3 Analytics and Statistics

• To analyze traffic patterns and user behavior (in aggregate)
• To generate statistical reports about website usage
• To identify popular content and improve our educational resources

2.4 Legal Compliance

• To comply with applicable laws and regulations
• To respond to legal requests and prevent fraud

3. Information Sharing and Disclosure

We do not sell, rent, or trade your personal information. We may share information only in the following limited circumstances:

3.1 Service Providers

We may share information with trusted third-party service providers who assist us in operating our website, such as:

• Web hosting providers: To store and serve our website
• Analytics providers: To understand website usage (e.g., Google Analytics)
• Email service providers: To manage communications (if applicable)

These service providers are contractually obligated to protect your information and use it only for the purposes we specify.

3.2 Legal Requirements

We may disclose information if required by law or in response to:

• Valid legal processes (subpoenas, court orders)
• Government requests
• Protection of our rights, property, or safety
• Prevention of fraud or illegal activity

3.3 Business Transfers

If we are involved in a merger, acquisition, or sale of assets, your information may be transferred as part of that transaction. We will notify you of any such change.

4. Data Security

We implement reasonable security measures to protect your information from unauthorized access, alteration, disclosure, or destruction. These measures include:

• Secure HTTPS encryption for data transmission
• Regular security audits and updates
• Access controls and authentication
• Secure server configurations

5. Your Rights and Choices

5.1 European Union (GDPR Rights)

If you are in the European Economic Area (EEA), you have the following rights:

• Access: Request a copy of personal information we hold about you
• Rectification: Request correction of inaccurate information
• Erasure: Request deletion of your personal information
• Restriction: Request restriction of processing your information
• Data Portability: Request transfer of your data to another service
• Object: Object to processing of your personal information
• Withdraw Consent: Withdraw consent for data processing (where applicable)

5.2 California (CCPA/CPRA Rights)

If you are a California resident, you have the following rights under the California Consumer Privacy Act (CCPA) and California Privacy Rights Act (CPRA):

• Right to Know: What personal information we collect, use, disclose, and sell
• Right to Delete: Request deletion of your personal information
• Right to Opt-Out: Opt-out of sale of personal information (we do not sell data)
• Right to Correct: Request correction of inaccurate personal information
• Right to Non-Discrimination: Equal service regardless of exercising privacy rights

Enforcement: Non-compliance can result in penalties up to $7,500 per intentional violation (adjusted annually for inflation), with the California Attorney General and California Privacy Protection Agency actively enforcing violations.

5.3 Other U.S. States

Similar privacy rights may apply if you reside in states with comprehensive privacy laws (Virginia, Colorado, Connecticut, Utah, and others).

5.4 How to Exercise Your Rights

To exercise any of these rights, please contact us at:

5.5 Cookie Preferences

You can control cookies through your browser settings:

• Most browsers allow you to view, manage, and delete cookies
• You can set your browser to refuse all cookies or alert you when cookies are being sent
• Note that disabling cookies may limit website functionality

6. Third-Party Links

Our website may contain links to third-party websites, resources, or services. We are not responsible for the privacy practices of these external sites. We encourage you to review their privacy policies before providing any personal information.

7. Children's Privacy

Our website is not directed to children under the age of 13 (or 16 in the EEA). We do not knowingly collect personal information from children. If you believe we have inadvertently collected information from a child, please contact us immediately, and we will delete it.

8. International Data Transfers

Your information may be transferred to and processed in countries other than your country of residence. These countries may have different data protection laws. By using our website, you consent to such transfers. We ensure appropriate safeguards are in place for international transfers as required by applicable law.

9. Data Retention

We retain information only as long as necessary to fulfill the purposes outlined in this Privacy Policy, unless a longer retention period is required or permitted by law. When information is no longer needed, we securely delete or anonymize it.

• Calculator Data: Not stored (processed locally in browser only)
• Analytics Data: 2-14 months for standard properties, up to 26 months for Google Signals data (Google Analytics 4 defaults, configurable by site owner)
• Contact Information: Until you request deletion or purpose is fulfilled
• Log Data: Typically 30-90 days

10. Changes to This Privacy Policy

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of significant changes by:

• Posting the updated policy on this page
• Updating the "Last Updated" date at the top
• Providing notice on our website homepage (for material changes)

We encourage you to review this Privacy Policy periodically. Your continued use of our website after changes constitutes acceptance of the updated policy.

11. Contact Us

If you have questions, concerns, or requests regarding this Privacy Policy or our privacy practices, please contact us:

12. Dispute Resolution

If you have concerns about our handling of your personal information that we have not resolved to your satisfaction, you have the right to lodge a complaint with a data protection authority in your jurisdiction.

EU/EEA Residents: Contact your local data protection authority
California Residents: Contact the California Attorney General's Office
Other Jurisdictions: Contact the relevant privacy regulatory authority