Bug BWL log % on History doesn't match with log

I uploaded a log regarding a BWL raid on 17/11/2020, and I can access the log just fine and seems correct overall.
This log:

Still, on my char history, the “Hist %” is not matching with the value on the Log.
For instance for Nefarian I should have 82 but only shows 66:

Best regards, thanks for the awesome work on setting up the warcraft logs platform.