-40.47% is the change from 981 to 584
Calculation steps:
[( 584 - 981 ) ÷ 981] x 100 = -40.47%
Formula
Percentage change = [(584 - 981) / 981] x 100
Subtract the new number by the original number
584 - 981 = -397
-397 ÷ 981 = -0.40468909276248727
-0.40468909276248727 x 100 = -40.47%