22.58% is the change from 248 to 304
Calculation steps:
[( 304 - 248 ) ÷ 248] x 100 = 22.58%
Formula
Percentage change = [(304 - 248) / 248] x 100
Subtract the new number by the original number
304 - 248 = 56
56 ÷ 248 = 0.22580645161290322
0.22580645161290322 x 100 = 22.58%