                  var width = chart.width,
                            height = chart.height,
                            ctx = chart.ctx;

                        ctx.restore();
                        var fontSize = (height / 200).toFixed(2);
                        ctx.font = fontSize + "em sans-serif";
                        ctx.textBaseline = "middle";

                        var text = "100%"
                        textX = 10 + Math.round((width - ctx.measureText(text).width) / 2);
                