-36.24% is the change from 974 to 621
Calculation steps:
[( 621 - 974 ) ÷ 974] x 100 = -36.24%
Formula
Percentage change = [(621 - 974) / 974] x 100
Subtract the new number by the original number
621 - 974 = -353
-353 ÷ 974 = -0.3624229979466119
-0.3624229979466119 x 100 = -36.24%