Percentage Calculator
Find what percent one number is of another, instantly.
How to calculate percentages
A percentage expresses one number as a fraction of 100. The basic formula is:
result = (part / whole) × 100
To find what 15% of 200 is, multiply 200 by 0.15: 15% of 200 = 30. To find what percent 30 is of 200, divide and multiply: (30 / 200) × 100 = 15%.
FAQ
How do I calculate a percentage of a number?
Multiply the number by the percentage and divide by 100. For example, 15% of 200 is (15 × 200) / 100 = 30.
What percent is one number of another?
Divide the part by the whole and multiply by 100. 30 out of 200 is (30 / 200) × 100 = 15%.