273.89% is the change from 180 to 673
Calculation steps:
[( 673 - 180 ) ÷ 180] x 100 = 273.89%
Formula
Percentage change = [(673 - 180) / 180] x 100
Subtract the new number by the original number
673 - 180 = 493
493 ÷ 180 = 2.738888888888889
2.738888888888889 x 100 = 273.89%