Return the percentage of a given value.

   
 

// crudwork
// Copyright 2004 by Steve T. Pham (http://www.crudwork.com)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with This program.  If not, see <http://www.gnu.org/licenses/>.

using System;
using System.Collections.Generic;
using System.Text;
using System.IO;

namespace crudwork.Utilities
{
  /// <summary>
  /// Math Utility
  /// </summary>
  public static class MathUtil
  {

    /// <summary>
    /// return the percentage of a given value.
    /// </summary>
    /// <param name="value"></param>
    /// <param name="total"></param>
    /// <returns></returns>
    public static decimal Percentage(decimal value, decimal total)
    {
      return value / total * 100;
    }

    /// <summary>
    /// return true if percent is equal to the tenths of a percent, such as 10%, 20%, 30%, ..., 90%, and 100%.
    /// </summary>
    /// <param name="value"></param>
    /// <param name="total"></param>
    /// <returns></returns>
    public static bool IsTenthPercent(decimal value, decimal total)
    {
      return Percentage(value, total) % 10 == 0;
    }

   }
}