19.82% is the change from 328 to 393
Calculation steps:
[( 393 - 328 ) ÷ 328] x 100 = 19.82%
Formula
Percentage change = [(393 - 328) / 328] x 100
Subtract the new number by the original number
393 - 328 = 65
65 ÷ 328 = 0.19817073170731708
0.19817073170731708 x 100 = 19.82%