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
Coritiba 1 Vasco 2 -1.3
Bahia 1 Ponte Preta 0 +0.0
Portuguesa 2 Gremio 2 +0.0
Sao Paulo 2 Nautico 1 +0.1
Fluminense 0 Cruzeiro 2 -0.2
Santos 2 Figueirense 0 -0.1
Flamengo 1 Palmeiras 1 +0.1
Week of 11/24100.0*Serie B**100.0*Average seed
Inter 0 Portuguesa 2 +0.1
-0.1
Sport 1 Fluminense 1 No
Cruzeiro 2 Coritiba 1 -0.7
Bahia 1 Nautico 1 +0.1
Vasco 1 Flamengo 1 -0.1
Ponte Preta 0 Sao Paulo 0 +0.1
If winner is:HomeDrawAway
Week of 12/1100.0*Serie B**100.0*Average seed
Coritiba vs Figueirense+0.9-1.1-1.2
Nautico vs Sport-0.3+0.3+0.4
Portuguesa vs Ponte Preta-0.1+0.3-0.2
Atletico-GO vs Bahia+0.1+0.1-0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seedSerie
TPW-D-Lwins titleLibertadores*1234567891011121314151617181920B**Count
481-0-0NoNo355213No25,831,957
460-1-0NoNo3354715No12,601,801
450-0-1NoNo345017No7,203,202
Total:NoNo203022217No45,636,960
Points
Chance Will Win Championship