-36.34% is the change from 974 to 620
Calculation steps:
[( 620 - 974 ) ÷ 974] x 100 = -36.34%
Formula
Percentage change = [(620 - 974) / 974] x 100
Subtract the new number by the original number
620 - 974 = -354
-354 ÷ 974 = -0.36344969199178645
-0.36344969199178645 x 100 = -36.34%