33.06% is the change from 496 to 660
Calculation steps:
[( 660 - 496 ) ÷ 496] x 100 = 33.06%
Formula
Percentage change = [(660 - 496) / 496] x 100
Subtract the new number by the original number
660 - 496 = 164
164 ÷ 496 = 0.33064516129032256
0.33064516129032256 x 100 = 33.06%