-40.75% is the change from 984 to 583
Calculation steps:
[( 583 - 984 ) ÷ 984] x 100 = -40.75%
Formula
Percentage change = [(583 - 984) / 984] x 100
Subtract the new number by the original number
583 - 984 = -401
-401 ÷ 984 = -0.40752032520325204
-0.40752032520325204 x 100 = -40.75%