9.32% is the change from 279 to 305
Calculation steps:
[( 305 - 279 ) ÷ 279] x 100 = 9.32%
Formula
Percentage change = [(305 - 279) / 279] x 100
Subtract the new number by the original number
305 - 279 = 26
26 ÷ 279 = 0.0931899641577061
0.0931899641577061 x 100 = 9.32%