Step-by-step instructions
- Enter or select Old value.
- Enter or select New value.
- Tap Calculate.
- Review the result shown directly below the calculator.
Percent Change Calculator
Calculate percentage change from an old value to a new value.
How to use the Percent Change Calculator
Calculate percentage change from an old value to a new value.
What the inputs mean
- Old value
- Enter the value requested by this field label.
- New value
- Enter the value requested by this field label.
Formula or calculation method
The change between the original value and the new value is divided by the original value, then multiplied by 100.
Example
For example, a value that rises from 80 to 100 has increased by 25%.
How to understand the result
The result is a percentage. A higher or lower percentage has different meaning depending on the calculator, so compare it with the goal, limit, benchmark, or historical value relevant to your situation.
Tip: Keep all values in compatible units and use values from the same time period when the calculator compares two amounts.