10.51% is the change from 276 to 305
Calculation steps:
[( 305 - 276 ) ÷ 276] x 100 = 10.51%
Formula
Percentage change = [(305 - 276) / 276] x 100
Subtract the new number by the original number
305 - 276 = 29
29 ÷ 276 = 0.10507246376811594
0.10507246376811594 x 100 = 10.51%