-40.71% is the change from 985 to 584
Calculation steps:
[( 584 - 985 ) ÷ 985] x 100 = -40.71%
Formula
Percentage change = [(584 - 985) / 985] x 100
Subtract the new number by the original number
584 - 985 = -401
-401 ÷ 985 = -0.4071065989847716
-0.4071065989847716 x 100 = -40.71%