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
GXR 2 HOYO 1 No
-1.2
+22.9
-0.8
HOYO 2 AG 0 +0.4
-23.1
+0.8
Lilgun 2 Omega 0 +0.2
+2.7
-0.1
Cignal 2 YG 1 -0.1
-1.5
+0.1
AG 0 Lilgun 2 +6.2
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
GXR 2 ZeroTwo 1 No
+3.4
-0.2
Lilgun 2 HOYO 0 No
+12.1
-0.5
Omega 2 Cignal 0 -0.4
YG 1 AG 2 +8.6
-0.1
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
HOYO 1 ZeroTwo 2 Yes
-0.9

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
20-0NoNo100Yes72,278,975,136
Total:NoNo100Yes72,278,975,136
Points
Chance Will Win Championship