29.58% is the change from 497 to 644
Calculation steps:
[( 644 - 497 ) ÷ 497] x 100 = 29.58%
Formula
Percentage change = [(644 - 497) / 497] x 100
Subtract the new number by the original number
644 - 497 = 147
147 ÷ 497 = 0.29577464788732394
0.29577464788732394 x 100 = 29.58%