18.14% is the change from 430 to 508
Calculation steps:
[( 508 - 430 ) ÷ 430] x 100 = 18.14%
Formula
Percentage change = [(508 - 430) / 430] x 100
Subtract the new number by the original number
508 - 430 = 78
78 ÷ 430 = 0.1813953488372093
0.1813953488372093 x 100 = 18.14%