How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 4/30100.0*Chance wins title100.0*Cross Regionals100.0*Average seed
Pajaro Valley Y 1 Force South 04G I 6 -2.9
-2.9
-0.5
Santa Clara Spo 1 Force 04G I 0 -1.2
-1.2
+0.0
Santa Clara Spo 6 Pajaro Valley Y 1 No
No
-0.3
Force South 04G I 0 Force 05G Jr. E 0 +0.1
+0.1
MVLA 04G Barcel 2 Force 04G I 2 +0.0
Week of 5/7100.0*Chance wins title100.0*Cross Regionals100.0*Average seed
Force 04G I 6 Pajaro Valley Y 1 -0.5
Force South 04G I 2 MVLA 04G Barcel 0 +0.1
Week of 5/14100.0*Chance wins title100.0*Cross Regionals100.0*Average seed
Force 05G Jr. E 11 Pajaro Valley Y 1 -0.2
Pajaro Valley Y 1 Force 05G Jr. E 5 -0.2
MVLA 04G Barcel 0 Santa Clara Spo 1 +0.1
Force 04G I 0 Force South 04G I 1 +0.1

What If

Chances based on how well the Pajaro Valley Y finish out the regular season.   Explain

100100100100100100
If finish:ChanceCrossChance will finish season at seed
TPW-D-Lwins titleRegionals123456Count
3-6NoNo10056,591,544*
Total:NoNo10056,591,544

* Row combines multiple less frequent records.

Points
Chance Will Win Championship