1588.89% is the change from 18 to 304
Calculation steps:
[( 304 - 18 ) ÷ 18] x 100 = 1588.89%
Formula
Percentage change = [(304 - 18) / 18] x 100
Subtract the new number by the original number
304 - 18 = 286
286 ÷ 18 = 15.88888888888889
15.88888888888889 x 100 = 1588.89%