14.01% is the change from 421 to 480
Calculation steps:
[( 480 - 421 ) ÷ 421] x 100 = 14.01%
Formula
Percentage change = [(480 - 421) / 421] x 100
Subtract the new number by the original number
480 - 421 = 59
59 ÷ 421 = 0.14014251781472684
0.14014251781472684 x 100 = 14.01%