PDFsharp & MigraDoc Foundation

            Chart chart = new Chart();
            chart.Left = 0;

            chart.Width = Unit.FromCentimeter(16);
            chart.Height = Unit.FromCentimeter(12);
            Series series = chart.SeriesCollection.AddSeries();
            series.ChartType = ChartType.Column2D;
            series.Add(0.13, 0.01, 0.49, 0.10, 0.57, 0.19);
            series.HasDataLabel = true;

            XSeries xseries = chart.XValues.AddXSeries();
            xseries.Add(/* some strings */);

            chart.XAxis.MajorTickMark = TickMarkType.Outside;
            chart.YAxis.MajorTickMark = TickMarkType.Outside;
            chart.YAxis.HasMajorGridlines = true;

            section.Add(chart);

series.DataLabel.Format = "#0.0%";
series.DataLabel.Position = DataLabelPosition.OutsideEnd;

//snip...

chart.YAxis.TickLabels.Format = "#0%";