How to use this calculator
- Enter the first value.
- Enter the second value.
- Read their symmetric percentage difference.
Example
The difference between 80 and 100 is 20. Relative to their average of 90, that is 22.22%.
How it works
Find the percentage difference between two values using their average as the reference. Inputs are calculated directly in your browser and the result updates whenever a value changes.
Frequently asked questions
How is percentage difference different from percentage change?
Percentage difference uses the average of both values. Percentage change uses the original value as its reference.
Does the order of the values matter?
No. Swapping the two values produces the same percentage difference.