-43.86% is the change from 171 to 96
Calculation steps:
[( 96 - 171 ) ÷ 171] x 100 = -43.86%
Formula
Percentage change = [(96 - 171) / 171] x 100
Subtract the new number by the original number
96 - 171 = -75
-75 ÷ 171 = -0.43859649122807015
-0.43859649122807015 x 100 = -43.86%