Percentage Calculator
Find percentages, percent of a number, and percent increase or decrease.
Free · No signup · Runs in your browser · Shareable link syncs inputs
What isof?
20.00
What is 25% of 80? → 20.00
Quick examples
Result
20.00
Quick examples
| Question | Answer |
|---|---|
| 10% of 80 | 8.00 |
| 25% of 80 | 20.00 |
| 50% of 80 | 40.00 |
Recently used
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How this calculator works
Find percentages, percent of a number, and percent increase or decrease.
How is it calculated?
Of: (p/100)×y. Is: (x/y)×100. Change: ((new−old)/|old|)×100.
Example
$120 → $150 is a 25% increase ($30 difference).
Frequently asked questions
Rounding?+
Results show two decimal places.