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*Upper Division100.0*Demoted100.0*Average seed
DogChmp 2 BR 1 No
+14.3
-0.4
Arkosh 2 JH 0 -2.6
+0.1
Week of 2/16100.0*Upper Division100.0*Demoted100.0*Average seed
BR 2 JH 0 -13.6
+0.5
EB 0 Arkosh 2 -11.4
+0.1
If winner is:HomeAway
Week of 2/22100.0*Upper Division100.0*Demoted100.0*Average seed
EB vs BRYesNo
-0.5+0.5

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
21-0NoNo100No39,692,695,938
10-1NoNo100Yes39,692,755,358
Total:NoNo505050.0%79,385,451,296
Points
Chance Will Win Championship