-80.96% is the change from 872 to 166
Calculation steps:
[( 166 - 872 ) ÷ 872] x 100 = -80.96%
Formula
Percentage change = [(166 - 872) / 872] x 100
Subtract the new number by the original number
166 - 872 = -706
-706 ÷ 872 = -0.8096330275229358
-0.8096330275229358 x 100 = -80.96%