-81.32% is the change from 878 to 164
Calculation steps:
[( 164 - 878 ) ÷ 878] x 100 = -81.32%
Formula
Percentage change = [(164 - 878) / 878] x 100
Subtract the new number by the original number
164 - 878 = -714
-714 ÷ 878 = -0.8132118451025057
-0.8132118451025057 x 100 = -81.32%