-75.17% is the change from 878 to 218
Calculation steps:
[( 218 - 878 ) ÷ 878] x 100 = -75.17%
Formula
Percentage change = [(218 - 878) / 878] x 100
Subtract the new number by the original number
218 - 878 = -660
-660 ÷ 878 = -0.7517084282460137
-0.7517084282460137 x 100 = -75.17%