18.63% is the change from 306 to 363
Calculation steps:
[( 363 - 306 ) ÷ 306] x 100 = 18.63%
Formula
Percentage change = [(363 - 306) / 306] x 100
Subtract the new number by the original number
363 - 306 = 57
57 ÷ 306 = 0.18627450980392157
0.18627450980392157 x 100 = 18.63%