8.9% is the change from 326 to 355
Calculation steps:
[( 355 - 326 ) ÷ 326] x 100 = 8.9%
Formula
Percentage change = [(355 - 326) / 326] x 100
Subtract the new number by the original number
355 - 326 = 29
29 ÷ 326 = 0.08895705521472393
0.08895705521472393 x 100 = 8.9%