TREETL
Classroom Math//v1.0/Learn something

Reverse Percentage Calculator

Find the original value before a percentage change.

Result

Original value

100

× 1.2

Multiplier

  1. 1A 20% increase multiplies by 1.2
  2. 2Original = final ÷ multiplier
  3. 3120 ÷ 1.2 = 100
Enter your values

Calculated instantly on your device. Free, no signup.

About this instrument

A price after a 20% increase is £120 — what was it before? This finds the original value from the final value and the percentage change.

What you get
  • Save time spent on repetitive calculations
  • Saves to your toolbox on any device
  • Switch currency to match yours
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Tool path

Where this fits

Part of a path: Learn something.

4 connected tools
Step 1

Reverse Percentage Calculator

Find the original value before a percentage change.

Open
Step 2

Percentage Increase Calculator

See the percentage increase between two values.

Open
Step 3

Percentage Calculator

Find a percentage of any number, instantly.

Open
Step 4

Percentage Discount Calculator

Work out the discount and the final price.

Open
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