10.28% is the change from 321 to 354
Calculation steps:
[( 354 - 321 ) ÷ 321] x 100 = 10.28%
Formula
Percentage change = [(354 - 321) / 321] x 100
Subtract the new number by the original number
354 - 321 = 33
33 ÷ 321 = 0.102803738317757
0.102803738317757 x 100 = 10.28%