65.31% is the change from 271 to 448
Calculation steps:
[( 448 - 271 ) ÷ 271] x 100 = 65.31%
Formula
Percentage change = [(448 - 271) / 271] x 100
Subtract the new number by the original number
448 - 271 = 177
177 ÷ 271 = 0.6531365313653137
0.6531365313653137 x 100 = 65.31%