4533.33% is the change from 18 to 834
Calculation steps:
[( 834 - 18 ) ÷ 18] x 100 = 4533.33%
Formula
Percentage change = [(834 - 18) / 18] x 100
Subtract the new number by the original number
834 - 18 = 816
816 ÷ 18 = 45.333333333333336
45.333333333333336 x 100 = 4533.33%