Task: Question Answering
Input (English): Passage: For the undergraduate class of 2022 (enrolling in Fall 2018), Brown received 35,438 applications, the largest applicant pool in the Universitys history. 2,566 were accepted for an acceptance rate of 7.2%, the lowest in university history. Additionally, for the academic year 2015-16 there were 1,834 transfer applicants, of whom 8.9% were accepted, with an SAT range of 2180-2330, ACT range of 31-34, and average college GPA of 3.85. In 2017, the Graduate School accepted 11 percent of 9,215 applicants. In 2014, U.S. News ranked Browns Warren Alpert Medical School the 5th most selective in the country, with an acceptance rate of 2.9 percent. 
Question: How many percent lower was Browns acceptance rate for its Medical School than for its undergraduate class? 
Answer type: Number 
Output (English): 4.3.