-40.28% is the change from 983 to 587
Calculation steps:
[( 587 - 983 ) ÷ 983] x 100 = -40.28%
Formula
Percentage change = [(587 - 983) / 983] x 100
Subtract the new number by the original number
587 - 983 = -396
-396 ÷ 983 = -0.40284842319430314
-0.40284842319430314 x 100 = -40.28%