Percentage Calculator
Work out percentages three different ways.
Free · No sign-up · Works in your browser
Result
—
About the Percentage Calculator
Free percentage calculator — find X% of Y, work out what percent X is of Y, or calculate the percentage change between two numbers.
How to use the Percentage Calculator
- 1Enter your two values and pick the calculation.
- 2Read the result instantly — it recalculates as you type.
- 3Adjust the numbers to model different scenarios.
Frequently asked questions
How do I find X% of a number?
Multiply the number by the percentage divided by 100. For example, 20% of 150 = 150 × 0.20 = 30.
How do I find what percent one number is of another?
Divide the part by the whole and multiply by 100. For example, 30 of 150 = 30 ÷ 150 × 100 = 20%.