5.81% is the change from 310 to 328
Calculation steps:
[( 328 - 310 ) ÷ 310] x 100 = 5.81%
Formula
Percentage change = [(328 - 310) / 310] x 100
Subtract the new number by the original number
328 - 310 = 18
18 ÷ 310 = 0.05806451612903226
0.05806451612903226 x 100 = 5.81%