-27.33% is the change from 161 to 117
Calculation steps:
[( 117 - 161 ) ÷ 161] x 100 = -27.33%
Formula
Percentage change = [(117 - 161) / 161] x 100
Subtract the new number by the original number
117 - 161 = -44
-44 ÷ 161 = -0.2732919254658385
-0.2732919254658385 x 100 = -27.33%