23900% is the change from 2 to 480
Calculation steps:
[( 480 - 2 ) ÷ 2] x 100 = 23900%
Formula
Percentage change = [(480 - 2) / 2] x 100
Subtract the new number by the original number
480 - 2 = 478
478 ÷ 2 = 239
239 x 100 = 23900%
Example