-28.7% is the change from 878 to 626
Calculation steps:
[( 626 - 878 ) ÷ 878] x 100 = -28.7%
Formula
Percentage change = [(626 - 878) / 878] x 100
Subtract the new number by the original number
626 - 878 = -252
-252 ÷ 878 = -0.2870159453302961
-0.2870159453302961 x 100 = -28.7%