Question

How to calculate percentage difference in C#

Answer 1

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            double price = 1499, new_price = 1299;

            double percentage = (Math.Abs(price - new_price) / price) * 100;

            Console.WriteLine("Price decrease by {0}%", percentage);
        }
    }
}


/*
run:
   
Price decrease by 13.3422281521014%
 
*/

 

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Answer 2

using System;

namespace ConsoleApplication_C_Sharp
{
    class Program
    {
        static void Main(string[] args)
        {
            double price = 1299, new_price = 1499;

            double percentage = (Math.Abs(price - new_price) / price) * 100;

            Console.WriteLine("Price increase by {0}%", percentage);
        }
    }
}


/*
run:
  
Price increase by 15.3964588144727%

*/

 

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