140.36% is the change from 280 to 673
Calculation steps:
[( 673 - 280 ) ÷ 280] x 100 = 140.36%
Formula
Percentage change = [(673 - 280) / 280] x 100
Subtract the new number by the original number
673 - 280 = 393
393 ÷ 280 = 1.4035714285714285
1.4035714285714285 x 100 = 140.36%