7.17% is the change from 307 to 329
Calculation steps:
[( 329 - 307 ) ÷ 307] x 100 = 7.17%
Formula
Percentage change = [(329 - 307) / 307] x 100
Subtract the new number by the original number
329 - 307 = 22
22 ÷ 307 = 0.07166123778501629
0.07166123778501629 x 100 = 7.17%