18.18% is the change from 407 to 481
Calculation steps:
[( 481 - 407 ) ÷ 407] x 100 = 18.18%
Formula
Percentage change = [(481 - 407) / 407] x 100
Subtract the new number by the original number
481 - 407 = 74
74 ÷ 407 = 0.18181818181818182
0.18181818181818182 x 100 = 18.18%