12.5% is the change from 248 to 279
Calculation steps:
[( 279 - 248 ) ÷ 248] x 100 = 12.5%
Formula
Percentage change = [(279 - 248) / 248] x 100
Subtract the new number by the original number
279 - 248 = 31
31 ÷ 248 = 0.125
0.125 x 100 = 12.5%
Example