12.35% is the change from 421 to 473
Calculation steps:
[( 473 - 421 ) ÷ 421] x 100 = 12.35%
Formula
Percentage change = [(473 - 421) / 421] x 100
Subtract the new number by the original number
473 - 421 = 52
52 ÷ 421 = 0.12351543942992874
0.12351543942992874 x 100 = 12.35%