-81.78% is the change from 878 to 160
Calculation steps:
[( 160 - 878 ) ÷ 878] x 100 = -81.78%
Formula
Percentage change = [(160 - 878) / 878] x 100
Subtract the new number by the original number
160 - 878 = -718
-718 ÷ 878 = -0.8177676537585421
-0.8177676537585421 x 100 = -81.78%