Percentage Calculator
Four quick calculators in one: percent of a number, what percent X is of Y, percentage change, and adding or subtracting a percentage.
Loading Percentage Calculator…
How to use Percentage Calculator
- 1Pick the calculator that matches your question.
- 2Type the two numbers — the answer updates instantly.
- 3Copy the result, or change the numbers to try another.
Why use FileDagadu
- Runs entirely in your browser — nothing is uploaded to a server
- No account, signup, or watermark required
- Works on desktop, tablet and mobile
- Free with no daily usage limit
Frequently asked questions
How do I calculate X% of a number?
Multiply the number by X and divide by 100. For example, 15% of 200 is 200 × 15 ÷ 100 = 30.
How is percentage change calculated?
(New value − Old value) ÷ Old value × 100. A positive result is an increase, a negative result is a decrease.
Guides & tips
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