Percentage Calculator - free online tool
Work out a percentage of a number, what percent one number is of another, and percentage change.
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How to use Percentage Calculator
Enter two numbers. All three results are shown at once.
Example
20% of 150 is 30.
Frequently asked questions
How is percentage change calculated?
Subtract the first number from the second, divide by the first, and multiply by 100.
Why does it say not defined?
Dividing by zero has no result.