Just an illustrative example of using the ExtendedDataType property on a field control and set it to Ratio.

Try it yourself with this object file (in .txt format) and press F11 (or the Increase Progress action).

Notes

  • 0% equals to a (field) value of 0 or below
  • 100% equals to 10.000 (tenthousand) or beyond
  • unfortunately haven't found away to resize the the progress bar; as shown in the screenshots it looks a bit tiny to me
  • You can also use it in List pages; then it looks like this: