30.9% is the change from 466 to 610
Calculation steps:
[( 610 - 466 ) ÷ 466] x 100 = 30.9%
Formula
Percentage change = [(610 - 466) / 466] x 100
Subtract the new number by the original number
610 - 466 = 144
144 ÷ 466 = 0.3090128755364807
0.3090128755364807 x 100 = 30.9%