-40.04% is the change from 994 to 596
Calculation steps:
[( 596 - 994 ) ÷ 994] x 100 = -40.04%
Formula
Percentage change = [(596 - 994) / 994] x 100
Subtract the new number by the original number
596 - 994 = -398
-398 ÷ 994 = -0.40040241448692154
-0.40040241448692154 x 100 = -40.04%