Percentage change calculator helps users measure how much a value has increased or decreased relative to an original value. It is useful for schoolwork, finance, pricing, analytics, and any comparison between old and new numbers. Users can enter an original value and a new value to calculate percentage change, or provide other value combinations to solve the missing field.
Percentage Change Calculator
Find the percentage increase or decrease between two values, or solve for any missing value.
Inputs
Tip: Enter any two of the three values above. The calculator will find the missing one and show all steps.
Results
Step-by-step derivation
Enter any two of: original value, new value, percentage change. The calculator will compute the rest and show each algebraic step here.