Daily Nexus is the student paper at UCSB. This article about pre-bio majors is interesting. http://dailynexus.com/2019-03-07/majority-of-ucsb-pre-bio-students-decide-to-switch-majors-faculty-attempts-to-raise-retention-rates/
“Of the 1,727 biological science majors, 38 percent completed a degree as a biological science major, 23 percent completed a degree in another S.T.E.M. major and 22 percent completed a degree in a non-S.T.E.M. major.”