-19.93% is the change from 878 to 703
Calculation steps:
[( 703 - 878 ) ÷ 878] x 100 = -19.93%
Formula
Percentage change = [(703 - 878) / 878] x 100
Subtract the new number by the original number
703 - 878 = -175
-175 ÷ 878 = -0.19931662870159453
-0.19931662870159453 x 100 = -19.93%