-9.86% is the change from 974 to 878
Calculation steps:
[( 878 - 974 ) ÷ 974] x 100 = -9.86%
Formula
Percentage change = [(878 - 974) / 974] x 100
Subtract the new number by the original number
878 - 974 = -96
-96 ÷ 974 = -0.09856262833675565
-0.09856262833675565 x 100 = -9.86%