-21.55% is the change from 181 to 142
Calculation steps:
[( 142 - 181 ) ÷ 181] x 100 = -21.55%
Formula
Percentage change = [(142 - 181) / 181] x 100
Subtract the new number by the original number
142 - 181 = -39
-39 ÷ 181 = -0.2154696132596685
-0.2154696132596685 x 100 = -21.55%