6.71% is the change from 328 to 350
Calculation steps:
[( 350 - 328 ) ÷ 328] x 100 = 6.71%
Formula
Percentage change = [(350 - 328) / 328] x 100
Subtract the new number by the original number
350 - 328 = 22
22 ÷ 328 = 0.06707317073170732
0.06707317073170732 x 100 = 6.71%