Percentage of a Number Calculator
Enter a percentage and a number to find X% of that number.
%
Formula
Divide the percentage by 100, then multiply by the number.
X% of N = (X ÷ 100) × N
Examples
| Problem | How to work it out | Answer |
|---|---|---|
| 10% of 200 | (10 ÷ 100) × 200 | 20 |
| 15% of 80 | (15 ÷ 100) × 80 | 12 |
| 25% of 360 | (25 ÷ 100) × 360 | 90 |
| 7.5% of 400 | (7.5 ÷ 100) × 400 | 30 |
Common questions
How do you calculate a percentage of a number?
Divide the percentage by 100 and multiply by the number. For example, 20% of 150 = (20 ÷ 100) × 150 = 30.
How do you find 10% of a number quickly?
Move the decimal point one place to the left. For example, 10% of 450 is 45.
What is 50% of a number?
It is half of the number. For example, 50% of 80 is 40.