The equivalent for 8CGPA for most of the universities is 8. So overall in your 1st and 2nd year you have approximately 80% marks. In your final year try to score if possible 9 which will give you a edge percentage of 85% and above. If not then also you will get some place around 80-82% in your overall percentage.

To know more about BCOM as a career path visit the link below:

https://www.careers360.com/courses/b-com-bachelor-of-commerce

I hope this answer helps. All the very best for your future endeavors!