How are these numbers calculated?

Big Games

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

Week of 2/8100.0*Demoted100.0*Average seed
DogChmp 2 BR 1 -1.9
+0.0
Arkosh 2 JH 0 -1.4
Week of 2/16100.0*Demoted100.0*Average seed
BR 2 JH 0 +9.0
-0.1
EB 0 Arkosh 2 +2.6
-0.0
If winner is:HomeAway
Week of 2/22100.0*Demoted100.0*Average seed
EB vs BRNoYes
+0.5-0.5

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
21-0NoNo100No121,002,578,299
10-1NoNo100Yes121,002,684,389
Total:NoNo505050.0%242,005,262,688
Points
Chance Will Win Championship