46.79% is the change from 421 to 618
Calculation steps:
[( 618 - 421 ) ÷ 421] x 100 = 46.79%
Formula
Percentage change = [(618 - 421) / 421] x 100
Subtract the new number by the original number
618 - 421 = 197
197 ÷ 421 = 0.4679334916864608
0.4679334916864608 x 100 = 46.79%