5.56% is the change from 306 to 323
Calculation steps:
[( 323 - 306 ) ÷ 306] x 100 = 5.56%
Formula
Percentage change = [(323 - 306) / 306] x 100
Subtract the new number by the original number
323 - 306 = 17
17 ÷ 306 = 0.05555555555555555
0.05555555555555555 x 100 = 5.56%