using System;

public class Program

{

    public static void Main()

    {

        var weightRange = Convert.ToDouble(0.1) * 100;

        var BaselineWeight = 55m;

        var VisitWeight = 45m;

        var calculatedWeight = (Convert.ToDouble(BaselineWeight) - Convert.ToDouble(VisitWeight)) / Convert.ToDouble(BaselineWeight);

​

        var calculatedWeight2 = Math.Ceiling(Math.Abs((Convert.ToDouble(BaselineWeight) - Convert.ToDouble(VisitWeight)) / Convert.ToDouble(BaselineWeight)) * 100); //updated formula

​

        Console.WriteLine("Current formula results:");

        Console.WriteLine("(" + BaselineWeight + " - " + VisitWeight + ") / " + BaselineWeight + " = " + calculatedWeight);

        Console.WriteLine(Math.Round(Math.Ceiling(calculatedWeight), MidpointRounding.AwayFromZero) + " <= " + weightRange / 100);

        Console.WriteLine(" ");

        Console.WriteLine("Updated formula results:");

        Console.WriteLine("(" + BaselineWeight + " - " + VisitWeight + ") / " + BaselineWeight + " = " + calculatedWeight);

        Console.WriteLine(calculatedWeight2 + "% <= " + weightRange + "%");

    }

}