-33.27% is the change from 496 to 331
Calculation steps:
[( 331 - 496 ) ÷ 496] x 100 = -33.27%
Formula
Percentage change = [(331 - 496) / 496] x 100
Subtract the new number by the original number
331 - 496 = -165
-165 ÷ 496 = -0.3326612903225806
-0.3326612903225806 x 100 = -33.27%