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 +1.8
-0.1
Cignal 2 YG 1 No
No
+6.4
-0.2
AG 0 Lilgun 2 +0.1
+4.2
GXR 2 HOYO 1 +0.2
+1.9
-0.1
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 +16.1
-0.5
GXR 2 ZeroTwo 1 Yes
-0.1
Lilgun 2 HOYO 0 -0.3
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
1-2NoNo100Yes51,038,300,640*
Total:NoNo100Yes51,038,300,640

* Row combines multiple less frequent records.

Points
Chance Will Win Championship