Approximate Percentage to Percentile Conversion for 2016 Examinations of Class 12 Formula Used: Percentile of Student X = 100  100* (Number of students ahead of Student X)/(number of students in the combination pool) This is a slightly simplified approximation of the actual formula, which also takes into account half the number of students getting exactly the same score as X. Since we pulled out all the ISC2016 data, we thought, you may be interested in Percentage to Percentile conversions. Here they are. Estimated/Approximate Percentage to Percentile Conversion for the pool of ALL STUDENTS (regardless of subject combination) Estimated Percentage to Percentile Conversion (Aggregate:Regardless of whether the student chose 4,5 or 6 subjects: All Streams and Subject Combinations)
