Function calcPercentValue

calcPercentValue(value, percentage, valueDecimals): bigint
Calculates the specified percentage of a given value.
Parameters
- value: string | number | bigint
  The value to calculate the percentage of
- percentage: string | number | bigint
  The percentage to calculate
- valueDecimals: number
  The decimals of the value.
Returns bigint
The percentage of the given value scaled according to the specified decimals
Example
```
calcPercentValue(100, 10, 6) // 10
calcPercentValue(100, 25, 6) // 25
calcPercentValue(100e18, 50, 18) // 50000000000000000000n || 50e18
```