7.28% is the change from 302 to 324
Calculation steps:
[( 324 - 302 ) ÷ 302] x 100 = 7.28%
Formula
Percentage change = [(324 - 302) / 302] x 100
Subtract the new number by the original number
324 - 302 = 22
22 ÷ 302 = 0.0728476821192053
0.0728476821192053 x 100 = 7.28%