30.24% is the change from 496 to 646
Calculation steps:
[( 646 - 496 ) ÷ 496] x 100 = 30.24%
Formula
Percentage change = [(646 - 496) / 496] x 100
Subtract the new number by the original number
646 - 496 = 150
150 ÷ 496 = 0.3024193548387097
0.3024193548387097 x 100 = 30.24%