-40.69% is the change from 983 to 583
Calculation steps:
[( 583 - 983 ) ÷ 983] x 100 = -40.69%
Formula
Percentage change = [(583 - 983) / 983] x 100
Subtract the new number by the original number
583 - 983 = -400
-400 ÷ 983 = -0.4069175991861648
-0.4069175991861648 x 100 = -40.69%