-40.67% is the change from 981 to 582
Calculation steps:
[( 582 - 981 ) ÷ 981] x 100 = -40.67%
Formula
Percentage change = [(582 - 981) / 981] x 100
Subtract the new number by the original number
582 - 981 = -399
-399 ÷ 981 = -0.40672782874617736
-0.40672782874617736 x 100 = -40.67%