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SCSFExport scsf_PercentChangeSinceClose(SCStudyInterfaceRef sc)
{
  if(sc.SetDefaults)
  {
    sc.GraphName="Percent Change Since Close";
    sc.StudyDescription="Calculates the percentage a stock is up or down, based on the prior close.";
    
    sc.AutoLoop = 1;
    sc.GraphRegion = 0;
    sc.FreeDLL = 1;
    
    sc.ValueFormat = 2;

    sc.Subgraph[0].Name = "Percent Change";
    sc.Subgraph[0].PrimaryColor = RGB(100,100,100); // Gray
    sc.Subgraph[0].DrawStyle = DRAWSTYLE_LINE;
    
    return;
  }
    
  sc.Subgraph[0][sc.Index] = ((sc.Close[sc.Index] / sc.PreviousClose) - 1) * 100;
}