How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Serie B100.0*Average seed
Fluminense 2 Ponte Preta 0 -7.7
+0.0
Vitoria 1 Cruzeiro 1 +3.9
-0.2
Sport Recife 1 Bahia 0 +3.7
-0.2
Avai 2 Palmeiras 1 +2.1
-0.1
Atletico-MG 3 Coritiba 0 -1.3
+0.1
Atletico-GO 1 Chapecoense 1 -0.2
Atletico-PR 3 Vasco da Gama 1 +0.1
Sao Paulo 0 Botafogo 0 *+0.1
Week of 11/25100.0*Serie B100.0*Average seed
Ponte Preta 2 Vitoria 3 -37.4
+1.1
Fluminense 1 Sport Recife 2 +8.8
-0.2
Avai 1 Atletico-PR 0 +7.5
-0.2
Coritiba 1 Sao Paulo 2 -3.8
+0.1
If winner is:HomeEmpateAway
Week of 12/3100.0*Serie B100.0*Average seed
Vitoria vs FlamengoNo+3.1+27.2
+1.0-0.3-0.8
Sport Recife vs Corinthians+18.1-5.4-14.7
-0.3+0.1+0.3
Santos vs Avai-11.3-11.3+18.6
+0.2+0.2-0.4
Chapecoense vs Coritiba-11.3*-0.0+11.3
+0.3+0.1-0.3
Atletico-GO vs Fluminense+0.2-0.1-0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
461-0-0NoNo32599No5,844,539
440-0-1NoNo244427532.2%3,734,422
430-1-0NoNo835421456.35,847,759
Total:NoNo12312722729.1%15,426,720
Points
Chance Will Win Championship