It’s only a 1% difference, out of a much smaller pool of applicants who have already done some self selecting (that is, the pool of applicants to SFS have slightly higher stats than to the College). So overall I don’t think there’s much difference.
She’s started already…and went in to do IR and is now considering switching to comp sci (long story)… and given how many students do end up majoring in something different than what they initially thought, sometimes radically so, this to me is another reason to go beyond city or strength in one department specifically when choosing a college.