Percentage Difference & Change Calculator

Compare two values and see the percentage change from A to B, plus the symmetric percentage difference between them.

Inputs

Percentage change uses A as the starting point. Percentage difference uses the average of A and B, which is common in science and statistics.

Results

Enter values and click Calculate to see the results.
  • Percentage change (from A to B):
  • Percentage difference (symmetric):
  • B as a percentage of A:
  • A as a percentage of B:

Results are rounded to two decimal places. This tool is for general information and does not account for things like tax, fees or inflation.