How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/28100.0*Season Champ100.0*Average seed
Aidan 110 Chris 94 -10.1
-0.1
Julius 94 Danny 65 -8.3
-0.1
Matthew 91 Dino Sores 78 -0.6
Brendan 56 Gene 78 +0.1
Week of 12/5100.0*Season Champ100.0*Average seed
Chris 67 Julius 100 -35.3
-0.4
Aidan 97 Matthew 83 +2.2
+0.1
If winner is:HomeAway
Week of 12/12100.0*Season Champ100.0*Average seed
Matthew vs Julius+37.3No
+0.3-0.3
Brendan vs Chris-12.7+12.7
-0.2+0.2

What If

Chances based on how well the Chris finish out the regular season.   Explain

100100100100100100100100
If finish:Chance inSeasonChance will finish regular season at seed
TPW-LplayoffsChamp12345678Count
101-0In50.0%505014,142,965
90-1In24.525621314,147,771
Total:In37.3%3756728,290,736
Points
Chance Will Make Playoffs