-35.28% is the change from 496 to 321
Calculation steps:
[( 321 - 496 ) ÷ 496] x 100 = -35.28%
Formula
Percentage change = [(321 - 496) / 496] x 100
Subtract the new number by the original number
321 - 496 = -175
-175 ÷ 496 = -0.3528225806451613
-0.3528225806451613 x 100 = -35.28%