11.23% is the change from 276 to 307
Calculation steps:
[( 307 - 276 ) ÷ 276] x 100 = 11.23%
Formula
Percentage change = [(307 - 276) / 276] x 100
Subtract the new number by the original number
307 - 276 = 31
31 ÷ 276 = 0.11231884057971014
0.11231884057971014 x 100 = 11.23%