48.93% is the change from 280 to 417
Calculation steps:
[( 417 - 280 ) ÷ 280] x 100 = 48.93%
Formula
Percentage change = [(417 - 280) / 280] x 100
Subtract the new number by the original number
417 - 280 = 137
137 ÷ 280 = 0.48928571428571427
0.48928571428571427 x 100 = 48.93%