using System;

public class Program

{

    public static void Main()

    {

        Compare(1,3);

        Compare(2,3);

        Compare(1,4);

        Compare(3,4);

        Compare(1,5);

        Compare(2,5);

    }

    public static int Percent1(int a, int b) => 100 - (a / b * 100);

    public static int Percent2(int a, int b) => 100 - (100 * a / b);

    public static void Compare(int a, int b) => Console.WriteLine("{0},{1}: Current:{2}, New:{3}", a, b, Percent1(a,b), Percent2(a,b));

}