Percentile Rank Calculator

Find a value's percentile rank in a data set.

Percentile rank (%) 80

Formula: percentile = values below ÷ total × 100

Step-by-step with your numbers:

1. ▶ Step 1 — Identify variables:

2. Values below (B) = 80

3. Total values (N) = 100

5. ▶ Step 2 — Formula:

6. Percentile Rank = (B ÷ N) × 100

8. ▶ Step 3 — Calculate ratio:

9. Ratio = 80 ÷ 100 = 0.8

10.

11. ▶ Step 4 — Convert to percentage:

12. Percentile Rank = 0.8 × 100 = 80%

13.

14. ▶ Conclusion:

15. This score is greater than 80% of the data set (the 80th percentile).

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Percentile rank shows the percentage of values below a given value.

The math behind it

percentile rank = number of values below ÷ total × 100.

80 below out of 100 → 80th percentile.

Test scores?

An 80th percentile score beats 80% of test-takers.