> ## Documentation Index
> Fetch the complete documentation index at: https://docs.anlytic.com/llms.txt
> Use this file to discover all available pages before exploring further.

# PercentRank

Calculates the relative rank of each row within a partition as a percentage, ranging from 0 to 1.

**Category:** `window`

**Syntax:**

```
PercentRank([column])
```

**Returns:** `Float`

**Context Filtering:** ✗ No

## Parameters

| Name     | Type     | Required | Description                              |
| -------- | -------- | -------- | ---------------------------------------- |
| `column` | `column` | ✓ Yes    | The column to calculate percent rank for |

## Validation

* Minimum parameters: 1
* Maximum parameters: 1

## Examples

```
PercentRank([Sales])
```

Returns the relative rank of each sales value as a percentage. The lowest sales gets 0.0, the highest gets 1.0, and middle values are distributed proportionally.

```
PercentRank([Score])
```

Calculates the percentile rank for each score. A result of 0.75 means the score is higher than 75% of other scores.
**Result:** Values range from `0.0` to `1.0`

## Related Functions

* [Rank](rank) - Assigns rank with gaps
* [DenseRank](denserank) - Assigns rank without gaps
* [CumeDist](cumedist) - Calculates cumulative distribution
* [RowNumber](rownumber) - Assigns sequential row numbers
* [Ntile](ntile) - Divides rows into groups