2300% is the change from 18 to 432
Calculation steps:
[( 432 - 18 ) ÷ 18] x 100 = 2300%
Formula
Percentage change = [(432 - 18) / 18] x 100
Subtract the new number by the original number
432 - 18 = 414
414 ÷ 18 = 23
23 x 100 = 2300%
Example