using System;

​

public class Program

{

    public static void Main()

    {

        var result = System.Web.HttpUtility.UrlDecode("Industry%2520Analytics%2520Client%2520Awareness.json");

        var result2 = System.Web.HttpUtility.UrlDecode(result);

        Console.WriteLine(result2);

        var out1 = System.Web.HttpUtility.UrlEncode(result2);

        Console.WriteLine(out1);

        var out2 = System.Web.HttpUtility.UrlEncode(out1);

        Console.WriteLine(out2);

        var out3 = System.Web.HttpUtility.UrlEncode(out2);

        Console.WriteLine(out3);

    }

}