A Canadian$$ University's business program has the facilities and faculty to handle an enrollment of $2$ comma $100$ new students per semester.$$ However, in an effort to limit class sizes to a$$ "reasonable" level$($under $200,$ generally$),$ Canadian$$ University's dean, Tom$$ Choi, placed a ceiling on enrollment of $1$ comma $600$ new students. Although there was ample demand for business courses last$$ semester, conflicting schedules allowed only $1$ comma $420$ new students to take business courses. What are the utilization and efficiency of this$$ system?

Part $2$

The utilization rate for Canadian Universityequals

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$($enter your response as a percentage rounded to one decimal$$ place$).$