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 -2.5
+2.6
-0.3
Cignal 2 YG 1 No
-2.5
+0.1
AG 0 Lilgun 2 +2.6
+8.1
-0.2
GXR 2 HOYO 1 +0.9
-31.6
+1.0
HOYO 2 AG 0 +0.7
+8.3
Week of 2/15100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
Cignal 0 GXR 2 +7.8
+1.2
GXR 2 ZeroTwo 1 +6.1
No
+1.2
Lilgun 2 HOYO 0 -3.9
-7.1
+0.0
Omega 2 Cignal 0 +2.3
+0.1
YG 1 AG 2 -0.1
-2.0
If winner is:HomeAway
Week of 2/22100.0*Chance wins title100.0*Upper Division100.0*Demoted100.0*Average seed
Lilgun vs YGNo+76.9
-0.2+1.0
AG vs Omega-5.3+1.5
-0.7+0.2

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
40-0No12.2%127566No51,038,300,640
Total:No12.2%127566No51,038,300,640
Points
Chance Will Win Championship