-80.83% is the change from 887 to 170
Calculation steps:
[( 170 - 887 ) ÷ 887] x 100 = -80.83%
Formula
Percentage change = [(170 - 887) / 887] x 100
Subtract the new number by the original number
170 - 887 = -717
-717 ÷ 887 = -0.8083427282976324
-0.8083427282976324 x 100 = -80.83%