-28.02% is the change from 878 to 632
Calculation steps:
[( 632 - 878 ) ÷ 878] x 100 = -28.02%
Formula
Percentage change = [(632 - 878) / 878] x 100
Subtract the new number by the original number
632 - 878 = -246
-246 ÷ 878 = -0.28018223234624146
-0.28018223234624146 x 100 = -28.02%