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
Santa Clara Spo 6 Pajaro Valley Y 1 +16.4
+16.4
+0.3
Santa Clara Spo 1 Force 04G I 0 +15.9
+15.9
+0.5
Force South 04G I 0 Force 05G Jr. E 0 +5.0
+5.0
+0.1
Pajaro Valley Y 1 Force South 04G I 6 -3.0
-3.0
-0.1
MVLA 04G Barcel 2 Force 04G I 2 +0.9
+0.9
+0.0
Week of 5/7100.0*Chance wins title100.0*Cross Regionals100.0*Average seed
Force 05G Jr. E 3 MVLA 04G Barcel 0 -6.5
-6.5
-0.1
Force South 04G I 2 MVLA 04G Barcel 0 -5.0
-5.0
-0.1
Santa Clara Spo 0 Force 05G Jr. E 0 +3.5
+3.5
+0.1
Week of 5/14100.0*Chance wins title100.0*Cross Regionals100.0*Average seed
MVLA 04G Barcel 0 Santa Clara Spo 1 +19.8
+19.8
+0.3
Force 04G I 0 Force South 04G I 1 -13.6
-13.6
-0.2
Pajaro Valley Y 1 Force 05G Jr. E 5 -10.0
-10.0
-0.2
Force 05G Jr. E 11 Pajaro Valley Y 1 -10.0
-10.0
-0.2
If winner is:HomeDrawAway
Force South 04G I vs Santa Clara SpoNo+10.3Yes
No+10.3Yes
-1.0+0.3+0.7
Force 05G Jr. E vs Force 04G I-18.7+10.3+10.3
-18.7+10.3+10.3
-0.3-0.0+0.3

What If

Chances based on how well the Santa Clara Spo finish out the regular season.   Explain

100100100100100100
If finish:ChanceCrossChance will finish season at seed
TPW-D-Lwins titleRegionals123456Count
231-0-0YesYes10020,106,590
210-1-064.5%64.5%643616,383,929
200-0-1NoNo366420,101,025
Total:54.2%54.2%54232356,591,544
Points
Chance Will Win Championship