838.89% is the change from 18 to 169
Calculation steps:
[( 169 - 18 ) ÷ 18] x 100 = 838.89%
Formula
Percentage change = [(169 - 18) / 18] x 100
Subtract the new number by the original number
169 - 18 = 151
151 ÷ 18 = 8.38888888888889
8.38888888888889 x 100 = 838.89%