11.64% is the change from 275 to 307
Calculation steps:
[( 307 - 275 ) ÷ 275] x 100 = 11.64%
Formula
Percentage change = [(307 - 275) / 275] x 100
Subtract the new number by the original number
307 - 275 = 32
32 ÷ 275 = 0.11636363636363636
0.11636363636363636 x 100 = 11.64%