What was the approximate per cent increase in the semester fees of B. Ed. course in the year 2007 as compared to the previous year?

Percent increase in semester fees of B. Ed. in the year 2007 as compared to 2006.
$$\eqalign{ & = \left\{ \frac{\left(13.9-11.6\right)}{11.6}\times100 \right\} \% \cr & = \left(\frac{2.3}{11.6}\times100\right)\% \cr & = \frac{2300}{116}\% \cr & = \frac{575}{29}\% \cr & = 19.8\% \cr & \approx 20\% \cr} $$