53.65% is the change from 274 to 421
Calculation steps:
[( 421 - 274 ) ÷ 274] x 100 = 53.65%
Formula
Percentage change = [(421 - 274) / 274] x 100
Subtract the new number by the original number
421 - 274 = 147
147 ÷ 274 = 0.5364963503649635
0.5364963503649635 x 100 = 53.65%