16.74% is the change from 239 to 279
Calculation steps:
[( 279 - 239 ) ÷ 239] x 100 = 16.74%
Formula
Percentage change = [(279 - 239) / 239] x 100
Subtract the new number by the original number
279 - 239 = 40
40 ÷ 239 = 0.16736401673640167
0.16736401673640167 x 100 = 16.74%