Percentage Calculator

Calculate percentages, percentage change, and what percent one number is of another.

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What Is This Tool?

A free calculator for the three most common percentage questions: finding a percentage of a number, figuring out what percent one number is of another, and calculating percentage increase or decrease between two values.

How to Use

  1. Choose the calculation mode that matches your question using the tabs.
  2. Enter the numbers into the input fields.
  3. The result updates automatically as you type.

Common Use Cases

Tips & Tricks

Calculate percentages, percentage increase/decrease, and what percent one number is of another. Free and instant, right in your browser.

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