124.29% is the change from 280 to 628
Calculation steps:
[( 628 - 280 ) ÷ 280] x 100 = 124.29%
Formula
Percentage change = [(628 - 280) / 280] x 100
Subtract the new number by the original number
628 - 280 = 348
348 ÷ 280 = 1.2428571428571429
1.2428571428571429 x 100 = 124.29%