Summary

Using Issue Statistics gadget with "Issue Type" as the statistic type will produce an incorrect percentage calculation.

The percentage shown will show different values if sorting order change from ascending to descending and vice versa.

Steps to reproduce

1. Have a project will multiple issues with various issue types.
2. In Jira dashboard, add Issue Statistics gadget.
3. Select the project in the gadget's configuration.
4. Save.
5. Observe the percentage.

Expected result

Percentage calculation shows correctly.

Current result

Some issue types with an issue count shown at 0%.

Workaround

None at the moment. Pie chart gadget can be an alternative.