-15.38% is the change from 878 to 743
Calculation steps:
[( 743 - 878 ) ÷ 878] x 100 = -15.38%
Formula
Percentage change = [(743 - 878) / 878] x 100
Subtract the new number by the original number
743 - 878 = -135
-135 ÷ 878 = -0.15375854214123008
-0.15375854214123008 x 100 = -15.38%