11.11% is the change from 279 to 310
Calculation steps:
[( 310 - 279 ) ÷ 279] x 100 = 11.11%
Formula
Percentage change = [(310 - 279) / 279] x 100
Subtract the new number by the original number
310 - 279 = 31
31 ÷ 279 = 0.1111111111111111
0.1111111111111111 x 100 = 11.11%