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 +0.4
+0.2
+1.3
-0.1
Cignal 2 YG 1 No
No
+18.6
-0.8
AG 0 Lilgun 2 +0.1
+0.9
+0.4
GXR 2 HOYO 1 +0.1
+1.2
+1.1
HOYO 2 AG 0 -0.1
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
YG 1 AG 2 +27.8
-0.8
GXR 2 ZeroTwo 1 Yes
-0.1
Lilgun 2 HOYO 0 -1.0
Week of 2/22None

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
1-2NoNo100Yes48,182,462,448*
Total:NoNo100Yes48,182,462,448

* Row combines multiple less frequent records.

Points
Chance Will Win Championship