62.91% is the change from 275 to 448
Calculation steps:
[( 448 - 275 ) ÷ 275] x 100 = 62.91%
Formula
Percentage change = [(448 - 275) / 275] x 100
Subtract the new number by the original number
448 - 275 = 173
173 ÷ 275 = 0.6290909090909091
0.6290909090909091 x 100 = 62.91%