12.04% is the change from 274 to 307
Calculation steps:
[( 307 - 274 ) ÷ 274] x 100 = 12.04%
Formula
Percentage change = [(307 - 274) / 274] x 100
Subtract the new number by the original number
307 - 274 = 33
33 ÷ 274 = 0.12043795620437957
0.12043795620437957 x 100 = 12.04%