NEW BUILD: %npv / %node-percent-value works on standalone labels

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script nonce="undefined" src="https://cdn.zingchart.com/zingchart.min.js"></script>
  <style></style>
</head>

<body>
  <div id='myChart'></div>
  <script>
    ZC.LICENSE = ["569d52cefae586f634c54f86dc99e6a9", "b55b025e438fa8a98e32482b5f768ff5"];
    var myConfig = {
      "type": "pie",
      "labels": [{
          "text": "The clicked pie slice<br>is",
          "text-align": "left",
          "font-family": "Georgia",
          "font-size": 16,
          "x": "60%",
          "y": "30%"
        },
        {
          "text": "%npv%",
          "default-value": "__",
          "font-family": "Georgia",
          "font-size": 40,
          "x": "65%",
          "y": "38%"
        },
        {
          "text": "of the overall pie.",
          "font-family": "Georgia",
          "font-size": 16,
          "x": "60%",
          "y": "54%"
        }
      ],
      "plot": {
        "value-box": {
          "visible": false
        }
      },
      "plotarea": {
        "margin-right": "45%",
        "margin-top": "20%",
        "margin-bottom": "20%"
      },
      "series": [{
          "values": [34]
        },
        {
          "values": [30]
        },
        {
          "values": [15]
        },
        {
          "values": [14]
        },
        {
          "values": [5]
        }
      ]
    };

    zingchart.render({
      id: 'myChart',
      data: myConfig,
      height: 400,
      width: 600
    });
  </script>
</body>

</html>

<!DOCTYPE html>
<html>

<head>
  <meta charset="utf-8">
  <title>ZingSoft Demo</title>

  <script src="https://cdn.zingchart.com/zingchart.min.js"></script>
</head>

<body>
  <div id='myChart'></div>
</body>

</html>

var myConfig = {
  "type": "pie",
  "labels": [{
      "text": "The clicked pie slice<br>is",
      "text-align": "left",
      "font-family": "Georgia",
      "font-size": 16,
      "x": "60%",
      "y": "30%"
    },
    {
      "text": "%npv%",
      "default-value": "__",
      "font-family": "Georgia",
      "font-size": 40,
      "x": "65%",
      "y": "38%"
    },
    {
      "text": "of the overall pie.",
      "font-family": "Georgia",
      "font-size": 16,
      "x": "60%",
      "y": "54%"
    }
  ],
  "plot": {
    "value-box": {
      "visible": false
    }
  },
  "plotarea": {
    "margin-right": "45%",
    "margin-top": "20%",
    "margin-bottom": "20%"
  },
  "series": [{
      "values": [34]
    },
    {
      "values": [30]
    },
    {
      "values": [15]
    },
    {
      "values": [14]
    },
    {
      "values": [5]
    }
  ]
};

zingchart.render({
  id: 'myChart',
  data: myConfig,
  height: 400,
  width: 600
});