27.32% is the change from 421 to 536
Calculation steps:
[( 536 - 421 ) ÷ 421] x 100 = 27.32%
Formula
Percentage change = [(536 - 421) / 421] x 100
Subtract the new number by the original number
536 - 421 = 115
115 ÷ 421 = 0.27315914489311166
0.27315914489311166 x 100 = 27.32%