Percentage Calculator

The Percentage Calculator is a free and open-source tool designed to help you perform various percentage-related calculations quickly and easily. This versatile calculator can handle a wide range of percentage problems, making it useful for students, professionals, and anyone dealing with percentages in their daily lives.

How to Use

1. Enter two numbers, X and Y, in the input fields provided.

2. The calculator will automatically compute and display the following results:

   • What is X% of Y?
   • X is what percent of Y?
   • What is the percentage increase/decrease from X to Y?

3. Results are displayed in real-time as you type or modify the input values.

4. You can easily copy any of the calculated results by clicking the "Copy" button next to each result.

Use Cases

• Finance: Calculate percentages for discounts, tax rates, or investment returns.
• Education: Solve percentage problems for math homework or exams.
• Business: Compute percentage changes in sales, profits, or market share.
• Health and Fitness: Calculate percentage changes in weight, body measurements, or nutrient intake.
• Statistics: Quickly find percentages for data analysis and reporting.

Privacy and Security

This tool performs all calculations locally in your browser. No personal data or calculation inputs are collected, stored, or transmitted.

Open Source

The Percentage Calculator is open-source software. You can view, contribute to, or fork the project on our GitHub repository.

We hope you find this tool useful for all your percentage calculation needs!