Free Online Calculator
Percentage Calculator
Use this free percentage calculator to find percentages, calculate percentage change, and work out what percent one number is of another.
Find what percentage the first number is of the second number.
Enter both values to calculate the result.
How this percentage calculator works
This online percentage calculator supports three common calculations. You can find what percentage one number is of another, calculate a percentage of a value, or measure percentage increase and decrease.
For example, if you want to know what percentage 25 is of 200, the formula is:(25 ÷ 200) × 100 = 12.5%
If you want to calculate percentage change from 80 to 100, the formula is:((100 - 80) ÷ 80) × 100 = 25%
Frequently Asked Questions
How do I calculate percentage?
Divide the part by the whole, then multiply by 100. This gives you the percentage value.
How do I calculate percentage increase?
Subtract the original value from the new value, divide by the original value, and multiply by 100.
Can I use this percentage calculator for free?
Yes. Tool Nova provides this percentage calculator online for free with no sign-up required.