29.84% is the change from 496 to 644
Calculation steps:
[( 644 - 496 ) ÷ 496] x 100 = 29.84%
Formula
Percentage change = [(644 - 496) / 496] x 100
Subtract the new number by the original number
644 - 496 = 148
148 ÷ 496 = 0.29838709677419356
0.29838709677419356 x 100 = 29.84%