using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        var rates = new List<Rate>

        {

            new Rate(),

            new Rate(),

            new Rate(),

            new Rate { RateValue = "90.00%" }

        };

        var specialCds = rates

            .Select(r => new { Rate = r, Apy = Convert.ToDecimal(r.RateValue.Replace("%", string.Empty)) }) // create a new anonymous object to store the conversion

            .OrderBy(r => r.Apy); // order by that new conversion

        var featureCd = specialCds.FirstOrDefault();

        var sameApys = specialCds

            .Where(r => r.Apy == featureCd.Apy) // again use that conversion

            .ToList();

        var viewBagFeatureCd = featureCd.Rate; // pass it into the view bag like normal

        Console.WriteLine(sameApys.Count());

    }

    public class Rate

    {

        public string RateValue { get; set; } = "25.00%";

        public string RateName { get; set; } = "Thisrate";

    }

}