✅ Am I using NumberFormatInfo properly?

[Benchmark]
public static string NoCache2() 
{
    return ToPercentageString(0.0433m, 2);
}
[Benchmark]
public static string NoCache3() 
{
    return ToPercentageString(0.0433m, 3);
}
[Benchmark]
public static string Cache2() 
{
    return ToPercentageString2Dp(0.0433m);
}
[Benchmark]
public static string Cache3() 
{
    return ToPercentageString3Dp(0.0433m);
}

public static string ToPercentageString(decimal d, int decimalPlaces) 
    => d.ToString(
        "P",
        new NumberFormatInfo()
        {
            PercentDecimalDigits = decimalPlaces,
            PercentPositivePattern = 1
        }
    );
    
public static string ToPercentageString2Dp(decimal d) 
    => d.ToString("P", TwoDpFormat);

public static string ToPercentageString3Dp(decimal d) 
    => d.ToString("P", ThreeDpFormat);

private static readonly NumberFormatInfo TwoDpFormat = new NumberFormatInfo()
{
    PercentDecimalDigits = 2,
    PercentPositivePattern = 1
};

private static readonly NumberFormatInfo ThreeDpFormat = new NumberFormatInfo()
{
    PercentDecimalDigits = 3,
    PercentPositivePattern = 1
};