-40.28% is the change from 993 to 593
Calculation steps:
[( 593 - 993 ) ÷ 993] x 100 = -40.28%
Formula
Percentage change = [(593 - 993) / 993] x 100
Subtract the new number by the original number
593 - 993 = -400
-400 ÷ 993 = -0.4028197381671702
-0.4028197381671702 x 100 = -40.28%