4433.33% is the change from 18 to 816
Calculation steps:
[( 816 - 18 ) ÷ 18] x 100 = 4433.33%
Formula
Percentage change = [(816 - 18) / 18] x 100
Subtract the new number by the original number
816 - 18 = 798
798 ÷ 18 = 44.333333333333336
44.333333333333336 x 100 = 4433.33%