1727.5% is the change from 40 to 731
Calculation steps:
[( 731 - 40 ) ÷ 40] x 100 = 1727.5%
Formula
Percentage change = [(731 - 40) / 40] x 100
Subtract the new number by the original number
731 - 40 = 691
691 ÷ 40 = 17.275
17.275 x 100 = 1727.5%
Example