4544.44% is the change from 18 to 836
Calculation steps:
[( 836 - 18 ) ÷ 18] x 100 = 4544.44%
Formula
Percentage change = [(836 - 18) / 18] x 100
Subtract the new number by the original number
836 - 18 = 818
818 ÷ 18 = 45.44444444444444
45.44444444444444 x 100 = 4544.44%