Noticed a raid where everyone got 100th percentile. Noticed that they also managed to do double the maximum possible amount of damage to Velhari.
https://www.warcraftlogs.com/reports/FTA1MJG6jcp93kPH#fight=9&type=damage-done
https://www.warcraftlogs.com/reports/PRB1ct23Tk4pLwfr#fight=2&type=damage-done
Where are the doubled numbers in the second report you linked?
Xhul’horac fight. 443m damage to a boss that can’t heal & only had 260million health (disparity between “expected” 520m and the 443m would be from sharing between adds & boss).
The explanation for the doubling is that all the casts are doubled. Comparing with other comparable fights everyone has done roughly double the number of casts you would expect.