140.71% is the change from 280 to 674
Calculation steps:
[( 674 - 280 ) ÷ 280] x 100 = 140.71%
Formula
Percentage change = [(674 - 280) / 280] x 100
Subtract the new number by the original number
674 - 280 = 394
394 ÷ 280 = 1.4071428571428573
1.4071428571428573 x 100 = 140.71%