-15.09% is the change from 974 to 827
Calculation steps:
[( 827 - 974 ) ÷ 974] x 100 = -15.09%
Formula
Percentage change = [(827 - 974) / 974] x 100
Subtract the new number by the original number
827 - 974 = -147
-147 ÷ 974 = -0.15092402464065707
-0.15092402464065707 x 100 = -15.09%