Highcharts donut chart customization

Question

I have a license for highcharts and I would like to create a char like the one bellow:

Answer 1

Check about innerSize.

"The size of the inner diameter for the pie. A size greater than 0 renders a donut chart. Can be a percentage or pixel value. Percentages are relative to the size of the plot area. Pixel values are given as integers. Defaults to 0." reference

Than you can take a look this example which shows how to put the text inside the donut chart.

Hope it help you.