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*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
INF 2 Crwmts 0 +10.2
+15.3
+0.5
0-900 0 INF 2 +6.3
+13.2
-2.0
+0.6
MK 0 Incubus 2 -3.5
-4.0
-0.1
HKR 2 GP 1 -1.1
-4.7
Week of 2/18100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
0-900 0 Incubus 2 -12.5
-12.5
-0.3
INF 2 HKR 1 +9.8
+21.9
+0.4
GP 2 Inverse 0 -0.1
If winner is:HomeAway
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
GP vs INF-25.0+25.0
-0.3+0.3
Inverse vs HKR+25.0-25.0
+0.2-0.2

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
61-0No75.0%7525No40,969,370,563
50-1No25.02575No40,968,871,085
Total:No50.0%5050No81,938,241,648
Points
Chance Will Win Championship