-40.65% is the change from 984 to 584
Calculation steps:
[( 584 - 984 ) ÷ 984] x 100 = -40.65%
Formula
Percentage change = [(584 - 984) / 984] x 100
Subtract the new number by the original number
584 - 984 = -400
-400 ÷ 984 = -0.4065040650406504
-0.4065040650406504 x 100 = -40.65%