8.39% is the change from 274 to 297
Calculation steps:
[( 297 - 274 ) ÷ 274] x 100 = 8.39%
Formula
Percentage change = [(297 - 274) / 274] x 100
Subtract the new number by the original number
297 - 274 = 23
23 ÷ 274 = 0.08394160583941605
0.08394160583941605 x 100 = 8.39%