using System;

public class Program

{

    public static void Main()

    {

        string[] numbers = {"245","1000"};

        Console.WriteLine("Input: " + numbers[0] + "/" + numbers[1]);

​

        var value = (int)((double)Int32.Parse(numbers[0]) / (double)Int32.Parse(numbers[1]) * 100);

        Console.WriteLine("Simple casting: " + value.ToString());

​

        var value_rounded1 = (int)Math.Round((double)Int32.Parse(numbers[0]) / (double)Int32.Parse(numbers[1]) * 100);

        Console.WriteLine("Simple rounding without parameter: " + value_rounded1.ToString());

        var value_rounded = (int)Math.Round((double)Int32.Parse(numbers[0]) / (double)Int32.Parse(numbers[1]) * 100, MidpointRounding.AwayFromZero);

        Console.WriteLine("Explicit rounding: " + value_rounded.ToString());

    }

}