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 +0.1
-1.0
+3.5
-0.2
Cignal 2 YG 1 No
-0.8
-3.9
+0.1
AG 0 Lilgun 2 +2.3
+3.9
-0.1
GXR 2 HOYO 1 +2.9
-23.0
+0.9
HOYO 2 AG 0 +2.3
+3.3
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
Cignal 0 GXR 2 +18.7
+1.1
GXR 2 ZeroTwo 1 +14.6
No
+1.5
Omega 2 Cignal 0 +7.7
+0.1
Lilgun 2 HOYO 0 -5.2
-6.0
-0.1
YG 1 AG 2 -2.1
-3.3
If winner is:HomeAway
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
Lilgun vs YGNo+37.5
-0.6+0.6
AG vs Omega-12.5+12.5
-0.4+0.4

What If

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

100100100100100100100100
If finish:ChanceUpperChance will finish season at seed
TPW-Lwins titleDivision12345678DemotedCount
40-0No37.5%384688No48,182,462,448
Total:No37.5%384688No48,182,462,448
Points
Chance Will Win Championship