using System;

using System.Diagnostics;

public class Program

{

    public static void Main()

    {

            int ttlcnt = 228394393;

            int pct = 0;

            int i = 0; 

            Stopwatch sw = new Stopwatch(); 

            Console.WriteLine("double conversion"); 

            sw.Start(); 

            pct = (int)(100 * ((double)ttlcnt / i));  //~16,800 ticks //17,020 ticks in NETt4.6

            sw.Stop();

            Console.WriteLine("pct=" + pct.ToString()+" in ticks="+sw.ElapsedTicks);

            Console.WriteLine("try catch division"); 

            sw.Start(); 

            try

            {

                pct = 100 * (ttlcnt / i); //~=151,359  ticks   //147,531  in NET4.6

            }

            catch (DivideByZeroException)

            {

                pct = -1;

            }

            sw.Stop();

            Console.WriteLine("pct=" + pct.ToString()+" in ticks="+sw.ElapsedTicks);

            sw.Reset();

            Console.WriteLine("if not equal zero"); 

            sw.Start(); 

            if (i != 0)

                pct = 100 * (ttlcnt / i); //~=10,816 ticks 

            else

                pct = 0;

            sw.Stop();

            Console.WriteLine("pct=" + pct.ToString()+" in ticks="+sw.ElapsedTicks);

            sw.Reset();

            Console.WriteLine("if equal zero"); 

            sw.Start(); 

            if (i == 0)

                pct = 0;

            else

                pct = 100 * (ttlcnt / i); //~=11,162 ticks 

​

            sw.Stop(); 

​

            Console.WriteLine("pct=" + pct.ToString()+" in ticks="+sw.ElapsedTicks);

​

    }

}