-40.08% is the change from 993 to 595
Calculation steps:
[( 595 - 993 ) ÷ 993] x 100 = -40.08%
Formula
Percentage change = [(595 - 993) / 993] x 100
Subtract the new number by the original number
595 - 993 = -398
-398 ÷ 993 = -0.40080563947633435
-0.40080563947633435 x 100 = -40.08%