Redmine

In the following case, "% Done" of the issue A is shown as 100% because "% Done" is rounded.
As one issue doesn't be completed, "% Done" should be shown as 99%.
In other words, "% Down" should be rounded down(using floor method of something like that).

A
├ B: 100%
└ C: 99%
　　├ C1: 90%
　　├ C2: 100%
　　├ C3: 100%
　　├ C4: 100%
　　├ C5: 100%
　　├ C6: 100%
　　├ C7: 100%
　　├ C8: 100%
　　├ C9: 100%
　　└ C10: 100%