Heyy Harsh.....

The marks out of the percentile cannot be know currently as the National Testing Agency (NTA) has not still disclosed the raw marks, it's expecting to be by 31st Jan. From the percentile you can only calculate your expected rank, only expected as the final one will be out only after the second exam , as the rank will depend on best of two score. 

For rank predictor, visit below link :

https://engineering.careers360.com/jee-main-rank-predictor