12.14% is the change from 280 to 314
Calculation steps:
[( 314 - 280 ) ÷ 280] x 100 = 12.14%
Formula
Percentage change = [(314 - 280) / 280] x 100
Subtract the new number by the original number
314 - 280 = 34
34 ÷ 280 = 0.12142857142857143
0.12142857142857143 x 100 = 12.14%