85 percentile has usually meant about 65–80 marks and a Common Rank of about 1.9–2.1 lakh.
These are estimates based on recent sessions and about 13–14 lakh candidates; your shift and the total number of candidates change them. This is above the 2025 qualifying cutoff for Gen-EWS (80.38), OBC-NCL, SC and ST, and below the General cutoff (93.10).