4538.89% is the change from 18 to 835
Calculation steps:
[( 835 - 18 ) ÷ 18] x 100 = 4538.89%
Formula
Percentage change = [(835 - 18) / 18] x 100
Subtract the new number by the original number
835 - 18 = 817
817 ÷ 18 = 45.388888888888886
45.388888888888886 x 100 = 4538.89%