2.28% is the change from 307 to 314
Calculation steps:
[( 314 - 307 ) ÷ 307] x 100 = 2.28%
Formula
Percentage change = [(314 - 307) / 307] x 100
Subtract the new number by the original number
314 - 307 = 7
7 ÷ 307 = 0.02280130293159609
0.02280130293159609 x 100 = 2.28%