The designer of this chart has fallen victim to one of the most vexing and repeating challenges in data visualisation: how to show multiple totals and their components in a single image. This is a veritable data visualisation graveyard, littered with asterisks and freakishly mismatched pie charts.
Smith, Alan. How Charts Work (p. 177). Pearson Education. Kindle Edition.
example:
- How to show Magnitude and Part to Whole relationship simultaneously.
Use Marimekko chart