Hey

The best of four percentage in Delhi University is calculated by taking 1 language subject and 3 core subjects into consideration. The 3 core subjects have to  be chosen from the List B which is already prescribe by the Delhi University.

In order to known in detail about calculation of best of four percentage, kindly refer the link below -

https://university.careers360.com/articles/delhi-university-admissions-how-calculate-best-of-four-marks

Thanks