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
AG 0 Lilgun 2 -8.1
-16.6
+8.3
-0.9
HOYO 2 AG 0 No
-10.4
+15.4
-1.0
Cignal 2 YG 1 -1.8
-2.7
-2.1
Lilgun 2 Omega 0 +1.8
+0.4
+0.6
-0.1
GXR 2 HOYO 1 +0.2
+1.7
+0.7
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
Omega 2 Cignal 0 -3.5
-0.2
Lilgun 2 HOYO 0 No
No
+0.2
GXR 2 ZeroTwo 1 +0.5
YG 1 AG 2 +0.3
-29.4
+1.0
Cignal 0 GXR 2 -0.3
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
HOYO 1 ZeroTwo 2 +0.3
If winner is:HomeAway
AG vs Omega+0.4-0.4
Lilgun vs YG+0.1-0.1

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
41-0NoNo174242No24,091,260,465
30-1NoNo00100No24,091,201,983
Total:NoNo82171No48,182,462,448
Points
Chance Will Win Championship