31.49% is the change from 470 to 618
Calculation steps:
[( 618 - 470 ) ÷ 470] x 100 = 31.49%
Formula
Percentage change = [(618 - 470) / 470] x 100
Subtract the new number by the original number
618 - 470 = 148
148 ÷ 470 = 0.3148936170212766
0.3148936170212766 x 100 = 31.49%