def percentage(nominator: int, denominator: int, precision: int) -> str:
    """Get percentage string

    Arguments:
        nominator {int} -- a nominator
        denominator {int} -- a denominator
        precision {int} -- precision

    Returns:
        str -- percentage string
    """
    percent = round(float(nominator) / denominator * 100, precision)
    format_string = f"{{:.{precision}f}} %"
    return format_string.format(percent)