# What Percent Decrease 100 is 80? getcalc.com's Percentage change {(X - Y)/X x 100} Calculator & workout with step by step calculation to find what is the percent decrease from 100 to 80.

(100 - 80)/100 x 100 = (20/100) x 100 = 20%

20 percent decrease or decline from 100 is 80
Problem
Find What is the decrease percentage for 100 to 80?

Step by step workout
step 1 Address the formula, input parameters & values
Formula :
Difference/Initial Value x 100 = Percent Decrease (%)
Initial Value X = 100 & New Value Y = 80
Decrease = (X - Y)
(100 - 80)/100 x 100 = ?

step 2 Apply the values in the percentage decrease {(X - Y)/X x 100} formula
= (100 - 80)/100 x 100
= 20/100 x 100
= 20%
(100 - 80)/100 x 100 = 20%
The percentage reduction can be written as 80% of 100.

20 percent decrease (%↓) or reduction from 100 is 80.

## Percentage Chart

The below chart for 20% decline of 100 and its nearest decrease percent values for users reference.

Value ChangePercentage Decrease
100 to 7228%
100 to 7624%
100 to 8020%
100 to 8416%
100 to 8812%
100 to 928%
100 to 964%
100 to 1000%

This calculator, formula, step by step calculation and associated information to find what percent reduction from 100 to 80 may help students, teachers, parents or professionals to learn, teach, practice or verify similar percentage reduction {(X - Y)/X x 100} calculations efficiently. 