Creativity in the Charts can make the component look different altogether. Here is one such example.
Follow the screen shots below to achieve the different views of a simple Pie chart.
Concentric Pie Chart
Double Donut Chart
For the chart representation , suppose here the smaller one shows the Current Year and the Bigger one
shows the Previous year. The legends of this can be taken form the Character Map. The below screen shots
shows the further explanation to this, i.e. How it can be achieved.
With that said, the ellipse can be used to have a all selection as well. Just by placing a transparent push button.
Sample Visualizations :
Thanks for Reading.
.xlf is enclosed for more clearer explanation. Change the extension to .xlf to use the same.