For others who go through the traditional application process, selectivity is deemed "more selective" according to the Carnegie Foundation for the Advancement of Teaching and by U.S. News & World Report. For Fall 2017, 51,033 applied and 18,620 were accepted (36.5%), and of those accepted, 45.2% enrolled. Among freshman students who enrolled in Fall 2017, SAT scores for the middle 50% ranged from 570-690 for critical reading and 600-710 for math. ACT (examination) composite scores for the middle 50% ranged from 26 to 31. In terms of class rank, 74.4% of enrolled freshmen were in the top 10% of their high school classes and 91.7% ranked in the top quarter.
Question: How many more percent of enrolled freshmen were in the top quarter of their high school class rather than the top 10%?
Answer: 17.3