-8.06% is the change from 496 to 456
Calculation steps:
[( 456 - 496 ) ÷ 496] x 100 = -8.06%
Formula
Percentage change = [(456 - 496) / 496] x 100
Subtract the new number by the original number
456 - 496 = -40
-40 ÷ 496 = -0.08064516129032258
-0.08064516129032258 x 100 = -8.06%