-80.75% is the change from 878 to 169
Calculation steps:
[( 169 - 878 ) ÷ 878] x 100 = -80.75%
Formula
Percentage change = [(169 - 878) / 878] x 100
Subtract the new number by the original number
169 - 878 = -709
-709 ÷ 878 = -0.8075170842824602
-0.8075170842824602 x 100 = -80.75%