C# Calculate 25% Probability

using System;

namespace Program
{
    class Program
    {
        static void Main(string[] args)
        {
            Random rand = new Random();

            int yes = 0;
            const int iterations = 10000000;

            for (int i = 0; i < iterations; i++)
            {
                if (rand.Next(1, 101) <= 25)
                {
                    yes++;
                }
            }

            Console.WriteLine((float)yes / iterations);
            Console.Read();
        }
    }
}

 

Output