23.28% is the change from 421 to 519
Calculation steps:
[( 519 - 421 ) ÷ 421] x 100 = 23.28%
Formula
Percentage change = [(519 - 421) / 421] x 100
Subtract the new number by the original number
519 - 421 = 98
98 ÷ 421 = 0.2327790973871734
0.2327790973871734 x 100 = 23.28%