-53.7% is the change from 974 to 451
Calculation steps:
[( 451 - 974 ) ÷ 974] x 100 = -53.7%
Formula
Percentage change = [(451 - 974) / 974] x 100
Subtract the new number by the original number
451 - 974 = -523
-523 ÷ 974 = -0.5369609856262834
-0.5369609856262834 x 100 = -53.7%