Hi

Good morning

This is Ritika

To calculate the rank Formula is

(100-NTA percentile)*no of candidates appeared for examination/100

As in this year there is very much change occurred in jee main i.e For the 1st time NTA conducted jee main and also. 1st time only jee main conducted twice in year,so nothing can be said surely without any official information.

But to predict best college based on your marks do visit

https://www.careers360.com/college-predictor

All the best

Hope this will help you

Thank you