-40.35% is the change from 984 to 587
Calculation steps:
[( 587 - 984 ) ÷ 984] x 100 = -40.35%
Formula
Percentage change = [(587 - 984) / 984] x 100
Subtract the new number by the original number
587 - 984 = -397
-397 ÷ 984 = -0.4034552845528455
-0.4034552845528455 x 100 = -40.35%