-56.78% is the change from 974 to 421
Calculation steps:
[( 421 - 974 ) ÷ 974] x 100 = -56.78%
Formula
Percentage change = [(421 - 974) / 974] x 100
Subtract the new number by the original number
421 - 974 = -553
-553 ÷ 974 = -0.5677618069815195
-0.5677618069815195 x 100 = -56.78%