Percent Increase / Decrease Calculator

Solve for initial value, final value, percent change, and difference with stable synced logic.
Inputs
Increase or decrease?
Enter any two values. Best combinations: Initial + Final, Initial + Percent, Final + Percent, Initial + Difference, or Final + Difference.
Results
Direction
Percent change
Difference
Multiplier
Step-by-step derivation
Enter any two fields, then click Calculate.
References
  • Difference = Final − Initial
  • Percent change = (Difference ÷ Initial) × 100
  • Final = Initial × (1 ± p/100)
  • Initial = Final ÷ (1 ± p/100)

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