The total number of students (science + commerce) over five years from 2012 to 2016 is 2400. The percentage distribution of total students over these ...
Question
The total number of students (science + commerce) over five years from 2012 to 2016 is 2400. The percentage distribution of total students over these years is as follows:

Note: Commerce students in 2013 are 8 less than those in 2015.
What is the difference between the number of commerce students in 2016 and the number of science students in 2012 expressed as a percentage of the total students in 2013?