Major change

<p>I recently sent in my common application selecting Biochemistry (college of natural science) as my first choice, and Plan 2 as my second. I want to change my first choice to the college of engineering and keep my second choice the same, what do I do. Also what is my chance in being admited to either the engineering honor program or plan 2:</p>

<p>ACT: 30 (composite)
Rank: 2 out of 394
President of HOSA
Class VP
Academic Decathalon
Over 200 volunteer hours</p>