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Both calculators run independently — change the inputs on either side to compare results.

Percentage Change Calculator

Calculate the percentage increase or decrease between an old value and a new value. The standard way to express growth, discounts, and rates of change.

Original Value

New Value

Math

Percentage Decrease Calculator

Find the resulting value after reducing a number by a set percentage. Use it for discounts, depreciation, budget cuts, or any scenario involving a proportional reduction.

Original Value

Percentage Decrease (%)

Key differences

	Percentage Change Calculator	Percentage Decrease Calculator
Category	Math	Math
Inputs required	2	2
Result	Percentage Change (%)	New Value
What it does	Calculate the percentage increase or decrease between an old value and a new value. The standard way to express growth, discounts, and rates of change.	Find the resulting value after reducing a number by a set percentage. Use it for discounts, depreciation, budget cuts, or any scenario involving a proportional reduction.