23.39% is the change from 248 to 306
Calculation steps:
[( 306 - 248 ) ÷ 248] x 100 = 23.39%
Formula
Percentage change = [(306 - 248) / 248] x 100
Subtract the new number by the original number
306 - 248 = 58
58 ÷ 248 = 0.23387096774193547
0.23387096774193547 x 100 = 23.39%