29.64% is the change from 496 to 643
Calculation steps:
[( 643 - 496 ) ÷ 496] x 100 = 29.64%
Formula
Percentage change = [(643 - 496) / 496] x 100
Subtract the new number by the original number
643 - 496 = 147
147 ÷ 496 = 0.2963709677419355
0.2963709677419355 x 100 = 29.64%