-81.57% is the change from 879 to 162
Calculation steps:
[( 162 - 879 ) ÷ 879] x 100 = -81.57%
Formula
Percentage change = [(162 - 879) / 879] x 100
Subtract the new number by the original number
162 - 879 = -717
-717 ÷ 879 = -0.8156996587030717
-0.8156996587030717 x 100 = -81.57%