-81.01% is the change from 874 to 166
Calculation steps:
[( 166 - 874 ) ÷ 874] x 100 = -81.01%
Formula
Percentage change = [(166 - 874) / 874] x 100
Subtract the new number by the original number
166 - 874 = -708
-708 ÷ 874 = -0.8100686498855835
-0.8100686498855835 x 100 = -81.01%