4.28% is the change from 304 to 317
Calculation steps:
[( 317 - 304 ) ÷ 304] x 100 = 4.28%
Formula
Percentage change = [(317 - 304) / 304] x 100
Subtract the new number by the original number
317 - 304 = 13
13 ÷ 304 = 0.04276315789473684
0.04276315789473684 x 100 = 4.28%