-40.55% is the change from 974 to 579
Calculation steps:
[( 579 - 974 ) ÷ 974] x 100 = -40.55%
Formula
Percentage change = [(579 - 974) / 974] x 100
Subtract the new number by the original number
579 - 974 = -395
-395 ÷ 974 = -0.4055441478439425
-0.4055441478439425 x 100 = -40.55%