How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Serie B**100.0*Average seed
Sport 2 Botafogo 0 +6.7
-0.1
Bahia 1 Ponte Preta 0 -6.4
+0.5
Flamengo 1 Palmeiras 1 -0.1
Portuguesa 2 Gremio 2 +0.1
+0.0
Coritiba 1 Vasco 2 +0.1
Sao Paulo 2 Nautico 1 +0.1
Santos 2 Figueirense 0 -0.0
Week of 11/24100.0*Serie B**100.0*Average seed
Inter 0 Portuguesa 2 +2.9
-0.3
Sport 1 Fluminense 1 -1.0
+0.0
Bahia 1 Nautico 1 +0.1
-0.5
Cruzeiro 2 Coritiba 1 +0.1
Vasco 1 Flamengo 1 -0.0
If winner is:HomeDrawAway
Week of 12/1100.0*Serie B**100.0*Average seed
Nautico vs SportNoNo+29.6
Atletico-GO vs Bahia+10.8NoNo
-0.6-0.2+0.8
Portuguesa vs Ponte Preta+0.4+0.4-1.3
-0.2+0.0+0.4
Coritiba vs Figueirense-0.1+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seedSerie
TPW-D-Lwins titleLibertadores*1234567891011121314151617181920B**Count
471-0-0NoNo5324617No15,525,615
450-1-0NoNo2377No12,605,091
440-0-1NoNo4781817.5%17,506,254
Total:NoNo211245776.7%45,636,960
Points
Chance Will Win Championship