nuevo intento

<!DOCTYPE html>
<meta charset="utf-8">
<style>
.bar-pe {
  fill: #0075ea;
}
.bar-to {
  fill: #008e2d;
}
.bar-pa {
  fill: #ffa500;
}
.bar-re {
  fill: #FF0000;
}
  
.bar-pe:hover {
  fill: #56aafe;
}
.bar-to:hover {
  fill: #00BC3C;
}
.bar-pa:hover {
  fill: #ffbb3d;
}
.bar-re:hover {
  fill: #ff1e1e;
}
  
.title {
  font: bold 14px "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.axis {
  font: 10px sans-serif;
}

.axis path,
.axis line {
  fill: none;
  stroke: #000;
  stroke-dasharray: 2px 2px;
}

.x.axis path {
  display: none;
}

</style>
<body>
  <a href="#" id="download">Download</a>
  <div id="chart"></div>
<script src="//cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js"></script>     
<script src="//bl.ocks.org/shimizu/0b526eab82263c8443108c33e454d221/nchart.js"></script>
<script src="createDownloader.js"></script>
<script src="//d3js.org/d3.v3.min.js"></script>
<script>
var puntos = [
  {name: "Pendientes",    value:  0.40},
  {name: "Totales",    value:  0.0667},
  {name: "Parciales",     value: 0.0667},
  {name: "Rechazados",   value: 0.0}
];
  
var margin = {top: 80, right: 180, bottom: 80, left: 180},
    width = 960 - margin.left - margin.right,
    height = 500 - margin.top - margin.bottom;

var x = d3.scale.ordinal()
    .rangeRoundBands([0, width], 0.1, 0.3);

var y = d3.scale.linear()
    .range([height, 0]);

var xAxis = d3.svg.axis()
    .scale(x)
    .orient("bottom");

var yAxis = d3.svg.axis()
    .scale(y)
    .orient("left")
    .ticks(8, "%");

var svg = d3.select("#chart").append("svg:svg")
    .attr("width", width + margin.left + margin.right)
    .attr("height", height + margin.top + margin.bottom)
  .append("g")
		/*.style("background-color", "WhiteSmoke")*/
    .attr("transform", "translate(" + margin.left + "," + margin.top + ")");

//EL GRÁFICO
  x.domain(puntos.map(function(d) { 
    return d.name; 
  }));
  y.domain([0, d3.max(puntos, function(d) { return d.value; })]);
  
  svg.append("text")
      .attr("class", "title")
      .attr("x", (150), (puntos[0].name))
      .attr("y", -30)
    	/*.text("Porcentaje_de_las_entregas_según_su_estado");*/

svg.append("g")
      .attr("class", "x axis")
      .attr("transform", "translate(0," + height + ")")
      .call(xAxis)
    .selectAll(".tick text")
      .call(wrap, x.rangeBand());
  
  svg.append("g")
      .attr("class", "y axis")
      .call(yAxis);

svg.selectAll(".bar")
      .data(puntos)
    .enter().append("rect")
      .attr("class", function(d) {
    		if(d.name == "Pendientes") { return "bar-pe";}
  			else if(d.name == "Totales") { return "bar-to";}
    		else if(d.name == "Parciales") { return "bar-pa";}
    		else if(d.name == "Rechazados") { return "bar-re";}
  			})
  		.attr("fill", function(d) {
    		if(d.name == "Pendientes") { return "#0075ea";}
  			else if(d.name == "Totales") { return "#008e2d";}
    		else if(d.name == "Parciales") { return "#ffa500";}
    		else if(d.name == "Rechazados") { return "#FF0000";}
  			})
      .attr("x", function(d) { return x(d.name); })
      .attr("width", x.rangeBand())
      .attr("y", function(d) { return y(d.value); })
      .attr("height", function(d) { return height - y(d.value); })
  
function wrap(text, width) {
  text.each(function() {
    var text = d3.select(this),
        words = text.text().split(/\s+/).reverse(),
        word,
        line = [],
        lineNumber = 0,
        lineHeight = 1.1, // ems
        y = text.attr("y"),
        dy = parseFloat(text.attr("dy")),
        tspan = text.text(null).append("tspan").attr("x", 0).attr("y", y).attr("dy", dy + "em");
    while (word = words.pop()) {
      line.push(word);
      tspan.text(line.join(" "));
      if (tspan.node().getComputedTextLength() > width) {
        line.pop();
        tspan.text(line.join(" "));
        line = [word];
        tspan = text.append("tspan").attr("x", 0).attr("y", y).attr("dy", ++lineNumber * lineHeight + dy + "em").text(word);
      }
    }
  });
}

function type(d) {
  d.value = +d.value;
  return d;
}
  
  d3.select("#download")
    .on("mouseover", writeDownloadLink);

Updated missing url //bl.ocks.org/shimizu/raw/0b526eab82263c8443108c33e454d221/nChart.js to //bl.ocks.org/shimizu/0b526eab82263c8443108c33e454d221/nchart.js

https://cdnjs.cloudflare.com/ajax/libs/d3/4.3.0/d3.min.js

https://bl.ocks.org/shimizu/raw/0b526eab82263c8443108c33e454d221/nChart.js

https://d3js.org/d3.v3.min.js