What is Percentage Calculator?
Solve three common percentage questions: find a percent of a value, compare values as a percent, or calculate percentage change.
Choose the percentage question and enter the values. Results use standard percentage formulas and update instantly.
How to use this tool
- 1
Choose whether to find a percent, compare values or measure change.
- 2
Enter the numbers requested for that calculation.
- 3
Read the result and the calculation shown underneath it.
Features
- Percent of a number
- What percent one value is of another
- Percentage increase or decrease
Example
15% of 80 is 12. A rise from 80 to 100 is a 25% increase.
Percentage change = (new − original) ÷ original × 100Frequently asked questions
How do I calculate percentage change?+
Subtract the original value from the new value, divide by the original value and multiply by 100.
Can the result be negative?+
Yes. A negative percentage change means the new value is lower than the original.
About this percentage calculator
Percentage Calculator is part of itotii’s free collection of browser-based utilities. It is designed for a quick workflow: find the tool, complete the task and keep control of your files and data.
Output depends on your input and browser support. Review the result before using it in a published or important document.