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Percentile vs percentage: what your score means

5 min read · Updated 9 Nov 2026

A 99 percentile in JEE Main doesn't mean you scored 99%. It means you did better than (or as well as) 99% of the people who sat with you. The two numbers answer different questions.

Percentage: how much you got right

Percentage compares you to the paper. It's your marks divided by the maximum, times 100. Board results and college marks are usually percentages.

Percentile: where you stand

Percentile compares you to other candidates. A percentile of P means P% of candidates scored at or below you. The topper in a session is at 100, and a candidate in the exact middle sits near 50 — whatever their marks.

How NTA calculates it

• For each session, NTA computes: 100 × (candidates with a raw score equal to or below yours) ÷ (total candidates in that session).
• Percentiles are reported to seven decimal places to reduce ties.
• Because each session gets its own percentile, a harder shift doesn't hurt you — this is how scores are normalised across shifts and sessions.
• For JEE Main, your better score across the two sessions counts.

From percentile to rank

If N candidates took the exam and you're at percentile P, about (100 − P) × N ÷ 100 people are ahead of you. With fields well over 10 lakh, every 0.1 percentile is over a thousand ranks — which is why small percentile differences matter near the top.

Common mix-ups

• "I need 75 percentile for NITs." No — the 75% rule is about Class 12 board percentage, not the JEE percentile.
• "Low marks, high percentile?" Yes, if the paper was hard for everyone.
• Cut-offs for qualifying (e.g. JEE Advanced) are usually announced as percentiles, by category.

Sources

NTA information bulletins (normalisation and percentile method for JEE Main, NEET-UG and CUET); JoSAA business rules for the Class 12 criterion.