Percentile is a relative calculation based on your marks, and the marks of the rest of the students. The latter part also depends upon the difficulty of the exam, so we can not exactly predict the percentile, but will give you an idea about your percentile based on the previous year percentile-score relationships:-

Moreover, with low marks the range also widens for the percentile, at your score you can expect a percentile between 33 to 49.

Your rank will be more than 5 lakh.

Hope this helps. Thank you.