30.04% is the change from 496 to 645
Calculation steps:
[( 645 - 496 ) ÷ 496] x 100 = 30.04%
Formula
Percentage change = [(645 - 496) / 496] x 100
Subtract the new number by the original number
645 - 496 = 149
149 ÷ 496 = 0.3004032258064516
0.3004032258064516 x 100 = 30.04%