Dear aspirant

Percentile represents your rank. The formula to calculate jee main 2019 rank is 100-NTA percentile * total candidates/100.

It would have been better if you had mentioned your category and home state in the question.

Nevertheless with your rank and percentile you have a good chance in getting admission in Fr. Conceicao Rodrigues College Of Engineering,Mumbai in CSE, Thapar Institute of engineering and technology,Patiala in chemical engineering,Techno India (Kolkata) for Computer Science , Bhartiya Vidya Bhawan's Sardar Patel Institute Of Technology, Mumbai in Electronics Engineering, KJ Somaiya Institute of Engineering and information Technology,Mumbai in CS,Mechanical Engineering as well as IT, Shri Ramdeobaba College of engineering and management, Nagpur in IT and Mechanical Engineering, Institute  Of Chemical Technology , Mumbai in petroleum engineering and a few other good options as well. 

Although one should select the branch that one finds interesting and the quality of course varies from college to college the top branches for BTech in India are computer science and IT then Mechaanical after which is Electrical and electronics engineering  followed by civil, aerospace, chemical  and biotechnology. 

For any further queries feel free to reach out to us. All the best.