I guess it is percentile.

To qualify, you must score 90.3765335 percentile for general.

You are not allowed to fill JEE Advanced form with this percentile.

To know your other best admission possibilities of Institutes & branches in JOSSA & State counseling as per your percentile, You can use JEE Main College Predictor tool given below.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

Thank You.

Iss  base pe JEE Advance ke liye you are not eligible.

I am also attaching a link where you can check all the cutoffs of this year.

https://news.careers360.com/jee-main-result-2020-know-jee-mains-cut-off-marks

Also, I will recommend you to check All The Colleges, That is available for You on basis of your rankings and Reservation, Then You can also check that at Our JEE MAINS COLLEGE Predictor. That will be very helpful for You. And Then You can easily compare good colleges and choose which one will be best for you.

https://engineering.careers360.com/jee-main-college-predictor?icn=QnA&ici=qna_answer

ALL THE BEST :)