-82.25% is the change from 879 to 156
Calculation steps:
[( 156 - 879 ) ÷ 879] x 100 = -82.25%
Formula
Percentage change = [(156 - 879) / 879] x 100
Subtract the new number by the original number
156 - 879 = -723
-723 ÷ 879 = -0.8225255972696246
-0.8225255972696246 x 100 = -82.25%