Answer everyday percent questions: what is X% of Y, and what percent one number is of another. No spreadsheet required.
Percentage calculator
What is X% of Y, and X is what percent of Y.
What is A% of B?
Result: 30
X is what % of Y?
Result: 25%
How to use Percentage calculator
- Choose the calculation type you need.
- Enter the numbers asked for in the form.
- Read the result and copy if needed.
Example: 15% of 80 is 12; 25 is 50% of 50.
Frequently asked questions
- How do I find a percentage increase?
- Divide the change by the original number, then multiply by 100. The calculator handles the common variations for you.
- What is the difference between percent of and percent change?
- Percent of finds a portion of a number, while percent change measures how much a value grew or shrank relative to its starting point.