-40.54% is the change from 994 to 591
Calculation steps:
[( 591 - 994 ) ÷ 994] x 100 = -40.54%
Formula
Percentage change = [(591 - 994) / 994] x 100
Subtract the new number by the original number
591 - 994 = -403
-403 ÷ 994 = -0.40543259557344064
-0.40543259557344064 x 100 = -40.54%