29.79% is the change from 470 to 610
Calculation steps:
[( 610 - 470 ) ÷ 470] x 100 = 29.79%
Formula
Percentage change = [(610 - 470) / 470] x 100
Subtract the new number by the original number
610 - 470 = 140
140 ÷ 470 = 0.2978723404255319
0.2978723404255319 x 100 = 29.79%