How this calculator works
Use the 3-in-1 percentage calculator to solve percent-of-value, what-percent, and percentage increase/decrease questions.
Formula
1) result = (percentage / 100) * number, 2) percent = (part / whole) * 100, 3) change% = ((new - original) / original) * 100
Step-by-step
- Choose the row that matches your percentage question.
- Enter the two required values for that row.
- Click CALCULATE to get the result instantly.
Example
- 18% of 250
- 45 is what percent of 180
- Increase from 120 to 150
Results: 45, 25%, 25%
FAQs
Which three functions are included?
It supports: percent of a number, one number as a percent of another, and percentage increase/decrease between two values.
Can I use decimal values?
Yes. All three rows support decimal inputs.