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
Sao Paulo 2 Nautico 1 +0.2
-1.0
Sport 2 Botafogo 0 +0.2
Bahia 1 Ponte Preta 0 +0.1
+0.1
Portuguesa 2 Gremio 2 -0.1
+0.0
Santos 2 Figueirense 0 -0.2
Fluminense 0 Cruzeiro 2 -0.2
Coritiba 1 Vasco 2 +0.1
Flamengo 1 Palmeiras 1 +0.0
Week of 11/24100.0*Serie B**100.0*Average seed
Inter 0 Portuguesa 2 +1.0
Bahia 1 Nautico 1 No
-0.0
Sport 1 Fluminense 1 No
+0.0
Cruzeiro 2 Coritiba 1 -0.1
+0.1
Ponte Preta 0 Sao Paulo 0 +0.0
Vasco 1 Flamengo 1 -0.0
If winner is:HomeDrawAway
Week of 12/1100.0*Serie B**100.0*Average seed
Nautico vs Sport+1.1+0.1-1.2
Coritiba vs Figueirense-0.3+0.0+0.3
Flamengo vs Botafogo-0.1-0.1+0.2
Portuguesa vs Ponte Preta+0.1+0.2-0.2
Atletico-GO vs Bahia+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seedSerie
TPW-D-Lwins titleLibertadores*1234567891011121314151617181920B**Count
491-0-0NoNo235423No5,583,574
470-1-0NoNo235423No4,264,245
460-0-1NoNo1643338No5,578,901
Total:NoNo8262922123No15,426,720
Points
Chance Will Win Championship