-28.36% is the change from 878 to 629
Calculation steps:
[( 629 - 878 ) ÷ 878] x 100 = -28.36%
Formula
Percentage change = [(629 - 878) / 878] x 100
Subtract the new number by the original number
629 - 878 = -249
-249 ÷ 878 = -0.2835990888382688
-0.2835990888382688 x 100 = -28.36%