305.56% is the change from 180 to 730
Calculation steps:
[( 730 - 180 ) ÷ 180] x 100 = 305.56%
Formula
Percentage change = [(730 - 180) / 180] x 100
Subtract the new number by the original number
730 - 180 = 550
550 ÷ 180 = 3.0555555555555554
3.0555555555555554 x 100 = 305.56%