-33.87% is the change from 496 to 328
Calculation steps:
[( 328 - 496 ) ÷ 496] x 100 = -33.87%
Formula
Percentage change = [(328 - 496) / 496] x 100
Subtract the new number by the original number
328 - 496 = -168
-168 ÷ 496 = -0.3387096774193548
-0.3387096774193548 x 100 = -33.87%