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[Home](./index.md) &gt; [bitburner](./bitburner.md) &gt; [HackingFormulas](./bitburner.hackingformulas.md) &gt; [hackPercent](./bitburner.hackingformulas.hackpercent.md)

## HackingFormulas.hackPercent() method

Calculate hack percent for one thread. (Ex: 0.25 would steal 25% of the server's current value.)

**Signature:**

```typescript
hackPercent(server: Server, player: Person): number;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  server | [Server](./bitburner.server.md) | Server info from [getServer](./bitburner.ns.getserver.md) |
|  player | [Person](./bitburner.person.md) | Player info from [getPlayer](./bitburner.ns.getplayer.md) |

**Returns:**

number

The calculated hack percent.

## Remarks

Multiply by thread to get total percent hacked.