5.26% is the change from 304 to 320
Calculation steps:
[( 320 - 304 ) ÷ 304] x 100 = 5.26%
Formula
Percentage change = [(320 - 304) / 304] x 100
Subtract the new number by the original number
320 - 304 = 16
16 ÷ 304 = 0.05263157894736842
0.05263157894736842 x 100 = 5.26%