18.23% is the change from 406 to 480
Calculation steps:
[( 480 - 406 ) ÷ 406] x 100 = 18.23%
Formula
Percentage change = [(480 - 406) / 406] x 100
Subtract the new number by the original number
480 - 406 = 74
74 ÷ 406 = 0.18226600985221675
0.18226600985221675 x 100 = 18.23%