1177.78% is the change from 18 to 230
Calculation steps:
[( 230 - 18 ) ÷ 18] x 100 = 1177.78%
Formula
Percentage change = [(230 - 18) / 18] x 100
Subtract the new number by the original number
230 - 18 = 212
212 ÷ 18 = 11.777777777777779
11.777777777777779 x 100 = 1177.78%