-83.37% is the change from 878 to 146
Calculation steps:
[( 146 - 878 ) ÷ 878] x 100 = -83.37%
Formula
Percentage change = [(146 - 878) / 878] x 100
Subtract the new number by the original number
146 - 878 = -732
-732 ÷ 878 = -0.8337129840546698
-0.8337129840546698 x 100 = -83.37%