Enrollment in City College in 1980 was 37 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?  Choose the correct choice from the following choices:
A) 100%  B) 170.27 %  C) 200%  D) 250%  E) 183 1/3%
Assume 100 enrollments present in 1990   37 % of 1990 = enrollments on 1980   enrollments on 1980 = 37   % change = (enrollment in 1990 - enrollment in 1980)*100/(enrollment in 1980)   =(100 - 37) *100 / 37   = 6300 / 37   = 170.27 %   Ans - 170.27 %
<result>B</result>
Enrollment in City College in 1980 was 37 percent of enrollment in 1990. What was the percent increase in the college’s enrollment from 1980 to 1990?