[Home](./index.md) > [bitburner](./bitburner.md) > [HackingFormulas](./bitburner.hackingformulas.md) > [growPercent](./bitburner.hackingformulas.growpercent.md)
## HackingFormulas.growPercent() method
Calculate the percent a server would grow to. Not exact due to limitations of mathematics. (Ex: 3.0 would would grow the server to 300% of its current value.)
Signature:
```typescript
growPercent(server: Server, threads: number, player: Person, cores?: number): number;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| server | [Server](./bitburner.server.md) | Server info from [getServer](./bitburner.ns.getserver.md) |
| threads | number | Amount of thread. |
| player | [Person](./bitburner.person.md) | Player info from [getPlayer](./bitburner.ns.getplayer.md) |
| cores | number | Number of cores on the computer that will execute grow. |
Returns:
number
The calculated grow percent.