1822.22% is the change from 18 to 346
Calculation steps:
[( 346 - 18 ) ÷ 18] x 100 = 1822.22%
Formula
Percentage change = [(346 - 18) / 18] x 100
Subtract the new number by the original number
346 - 18 = 328
328 ÷ 18 = 18.22222222222222
18.22222222222222 x 100 = 1822.22%