Hi

You can get JEE mains marks vs percentile data by visiting our page the link for the same is given below

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile/amp

You can calculate  your rank with the help of percentile score yourself using the formula given below

( 100-your percentile score ) * Total number of students that appeared in JEE mains  /100.

For jee mains january 2020 as 869010 students appeared  , we have formula

= (100 - your percentile score   )*869010 /100

Thank you