3738.89% is the change from 18 to 691
Calculation steps:
[( 691 - 18 ) ÷ 18] x 100 = 3738.89%
Formula
Percentage change = [(691 - 18) / 18] x 100
Subtract the new number by the original number
691 - 18 = 673
673 ÷ 18 = 37.388888888888886
37.388888888888886 x 100 = 3738.89%