28.83% is the change from 496 to 639
Calculation steps:
[( 639 - 496 ) ÷ 496] x 100 = 28.83%
Formula
Percentage change = [(639 - 496) / 496] x 100
Subtract the new number by the original number
639 - 496 = 143
143 ÷ 496 = 0.28830645161290325
0.28830645161290325 x 100 = 28.83%