1333.33% is the change from 18 to 258
Calculation steps:
[( 258 - 18 ) ÷ 18] x 100 = 1333.33%
Formula
Percentage change = [(258 - 18) / 18] x 100
Subtract the new number by the original number
258 - 18 = 240
240 ÷ 18 = 13.333333333333334
13.333333333333334 x 100 = 1333.33%