18.47% is the change from 406 to 481
Calculation steps:
[( 481 - 406 ) ÷ 406] x 100 = 18.47%
Formula
Percentage change = [(481 - 406) / 406] x 100
Subtract the new number by the original number
481 - 406 = 75
75 ÷ 406 = 0.18472906403940886
0.18472906403940886 x 100 = 18.47%