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
Lilgun 2 Omega 0 +3.0
-0.2
Cignal 2 YG 1 No
-2.1
-3.6
+0.1
AG 0 Lilgun 2 +0.9
+3.4
-0.1
HOYO 2 AG 0 +0.5
+0.6
+0.1
GXR 2 HOYO 1 -0.1
-0.2
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
GXR 2 ZeroTwo 1 No
+23.7
-0.8
YG 1 AG 2 -0.5
+0.8
-0.1
Omega 2 Cignal 0 +0.3
Lilgun 2 HOYO 0 +1.3
-0.2
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
HOYO 1 ZeroTwo 2 No
+0.5

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
30-0NoNo100No13,625,267,008
Total:NoNo100No13,625,267,008
Points
Chance Will Win Championship