4638.89% is the change from 18 to 853
Calculation steps:
[( 853 - 18 ) ÷ 18] x 100 = 4638.89%
Formula
Percentage change = [(853 - 18) / 18] x 100
Subtract the new number by the original number
853 - 18 = 835
835 ÷ 18 = 46.388888888888886
46.388888888888886 x 100 = 4638.89%