25.65% is the change from 421 to 529
Calculation steps:
[( 529 - 421 ) ÷ 421] x 100 = 25.65%
Formula
Percentage change = [(529 - 421) / 421] x 100
Subtract the new number by the original number
529 - 421 = 108
108 ÷ 421 = 0.25653206650831356
0.25653206650831356 x 100 = 25.65%