-81.22% is the change from 181 to 34
Calculation steps:
[( 34 - 181 ) ÷ 181] x 100 = -81.22%
Formula
Percentage change = [(34 - 181) / 181] x 100
Subtract the new number by the original number
34 - 181 = -147
-147 ÷ 181 = -0.8121546961325967
-0.8121546961325967 x 100 = -81.22%