# Percent of Decrease: 121 to 100 {(121-100)/121}x100=(?). 121 to 100 percent decrease provides the comprehensive information on how to find what is the percent of decrease from 121 to 100.

121 to 100 percent increase
(121 - 100)/121 x 100 = (?)
= 21/121 x 100
= 17.36%
(121 - 100)/121 x 100 = 17.36%
Hence,
the percent of decrease from 121 to 100 is 17.36%

where,
121 is the base or reference quantity,
100 is the relative or decreased quantity,
21 is the difference between base and decreased quantity,
17.36% is the percent decrease.

## How-to: What is the percent of decrease from 121 to 100?

The result of difference between the reference quantity 121 and decreased quantity 100 divided by the reference quantity 121, multiplied with 100 is the percent of decrease from 121 to 100. The below is the step-by-step work shows how to find what is the percent of decrease from 121 to 100 by using the mathematical formula. step 1 Observe the input parameters, values and what to be found:

Input values:
Base or reference value X = 121
Decreased or relative value Y = 100

What to be found:
Find the percent of decrease from 121 to 100.
(100 - 121)/60 x 100 = (?)%

step 2 Find the difference between reference quantity 121 and decreased quantity 100:
121 - 100 = 21

step 3 Divide the difference 21 by the reference quantity 121, and multiply the result with 100:
21/121 x 100 = 17.36%

Hence,
17.36% is the percent of decrease from 121 to 100. 