Percentage points vs. percent
If an interest rate goes from 4% to 5%, it rose by 1 percentage point, but by 25 percent (1 ÷ 4). Use the third row to get the percent change.
Percentage calculator
Fill in any row. Each one answers a different percentage question.
What is% of?
is what % of?
Fromtois a
Frequently asked questions
How do I calculate a percentage of a number?
Divide the percentage by 100 and multiply: 15% of 80 = 0.15 × 80 = 12.
How do I calculate percent change?
Subtract the old value from the new one, divide by the old value and multiply by 100. From 50 to 75: (75 − 50) ÷ 50 × 100 = 50% increase.
What percent is one number of another?
Divide the part by the whole and multiply by 100. 30 out of 120 = 30 ÷ 120 × 100 = 25%.