51.06% is the change from 329 to 497
Calculation steps:
[( 497 - 329 ) ÷ 329] x 100 = 51.06%
Formula
Percentage change = [(497 - 329) / 329] x 100
Subtract the new number by the original number
497 - 329 = 168
168 ÷ 329 = 0.5106382978723404
0.5106382978723404 x 100 = 51.06%