# Percent of Decrease: 50 to 40 {(50-40)/50}x100=(?). 50 to 40 percent decrease provides the comprehensive information on how to find what is the percent of decrease from 50 to 40.

50 to 40 percent increase
(50 - 40)/50 x 100 = (?)
= 10/50 x 100
= 20%
(50 - 40)/50 x 100 = 20%
Hence,
the percent of decrease from 50 to 40 is 20%

where,
50 is the base or reference quantity,
40 is the relative or decreased quantity,
10 is the difference between base and decreased quantity,
20% is the percent decrease.

## How-to: What is the percent of decrease from 50 to 40?

The result of difference between the reference quantity 50 and decreased quantity 40 divided by the reference quantity 50, multiplied with 100 is the percent of decrease from 50 to 40. The below is the step-by-step work shows how to find what is the percent of decrease from 50 to 40 by using the mathematical formula. step 1 Observe the input parameters, values and what to be found:

Input values:
Base or reference value X = 50
Decreased or relative value Y = 40

What to be found:
Find the percent of decrease from 50 to 40.
(40 - 50)/60 x 100 = (?)%

step 2 Find the difference between reference quantity 50 and decreased quantity 40:
50 - 40 = 10

step 3 Divide the difference 10 by the reference quantity 50, and multiply the result with 100:
10/50 x 100 = 20%

Hence,
20% is the percent of decrease from 50 to 40. 