Hope you are doing great!!!!
Here I am providing the approximate marks for jee main percentile.
You can go through the link provided below:
*these are approximate values...
Hope it helps!!!
You can get JEE mains marks vs percentile data by visiting our page the link for the same is given below
But yes marks vs percentile data keeps changing in every exam depending upon various factors like number of students that appeared in the exam, kind of marks obtained by them , toughness level of the examination etc.
Good luck for your JEE Mains examination