5.88% is the change from 306 to 324
Calculation steps:
[( 324 - 306 ) ÷ 306] x 100 = 5.88%
Formula
Percentage change = [(324 - 306) / 306] x 100
Subtract the new number by the original number
324 - 306 = 18
18 ÷ 306 = 0.058823529411764705
0.058823529411764705 x 100 = 5.88%