Percentage Calculator
CalculatorsWork out percentages, increases, decreases, and changes.
Percentage calculator
Enter valid numbers to see a result.
What is Percentage Calculator?
Percentage Calculator handles the common percentage problems: a percentage of a number, percentage change, and what percent one value is of another.
How to use Percentage Calculator
- 1 Pick the calculation you need.
- 2 Enter the numbers.
- 3 Read the result instantly.
Supported formats and limits
- Input: two values
- Output: percentage results
- Runs in your browser
Common uses
- Work out a percentage of a number.
- Calculate percentage increase or decrease.
- Find what percentage one number is of another.
Things to know
- Results are rounded for display.
- It handles standard percentage maths only.
Privacy and file handling
Calculations run in your browser and nothing is transmitted.
Frequently asked questions
How do I calculate a percentage increase?
Use the percentage-change mode, entering the original value first and the new value second.
What kinds of percentage problems can I solve?
Percent of a number, what percent one number is of another, and percentage increase or decrease.
Does the tool show the calculation?
Yes. It shows the formula and the result so you can check the working.
Is anything uploaded?
No. All calculations run in your browser.
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