60% is the change from 280 to 448
Calculation steps:
[( 448 - 280 ) ÷ 280] x 100 = 60%
Formula
Percentage change = [(448 - 280) / 280] x 100
Subtract the new number by the original number
448 - 280 = 168
168 ÷ 280 = 0.6
0.6 x 100 = 60%
Example