Everyday tool
Percentage Calculator
Enter the numbers you know and get a clear percentage answer.
Runs in your browser. No upload.
What is a percentage of a number?
What percent is one number of another?
What is the percentage change?
Fill in any calculation you need.
About this tool
Percentage Calculator made simple.
Use it for discounts, price changes, markups, grades, tips and everyday calculations.
Common questions
About percentage calculator.
How do I calculate a percentage of a number?
Enter the percentage and the base number in the first calculator. For example, 15 percent of 200 is 30.
How do I calculate percentage change?
Enter the original value and the new value in the percentage change calculator. The result shows the increase or decrease relative to the original.