6.38% is the change from 329 to 350
Calculation steps:
[( 350 - 329 ) ÷ 329] x 100 = 6.38%
Formula
Percentage change = [(350 - 329) / 329] x 100
Subtract the new number by the original number
350 - 329 = 21
21 ÷ 329 = 0.06382978723404255
0.06382978723404255 x 100 = 6.38%