-80.39% is the change from 872 to 171
Calculation steps:
[( 171 - 872 ) ÷ 872] x 100 = -80.39%
Formula
Percentage change = [(171 - 872) / 872] x 100
Subtract the new number by the original number
171 - 872 = -701
-701 ÷ 872 = -0.8038990825688074
-0.8038990825688074 x 100 = -80.39%