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Calculate Percentage Change

Use this free calculator to figure out what percent a figure has changed over time. Input the starting value & the final value and this calculator will automatically return the percent change.

What is the percentage increase/decrease
from to ?
 %


 

Percent Change Formula

Formula: 100 * (Y - X) / X = Z%

Where

  • X = initial number
  • Y = final number
  • Z = percent change