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 B100.0*Average seed
Atletico-MG 1 Bahia 0 +0.3
-0.9
America-MG 2 Santos 1 +0.2
+0.1
Gremio 2 Chapecoense 0 -0.1
+0.1
Sport Recife 0 Flamengo 1 -0.1
+0.1
Palmeiras 4 America-MG 0 -0.1
Vitoria 1 Atletico-PR 2 -0.1
-0.1
Cruzeiro 3 Vitoria 0 -0.0
-0.1
Atletico-PR 1 Corinthians 0 +0.2
Corinthians 1 Vasco da Gama 0 -0.1
Ceara 1 Parana 0 -0.1
Vasco da Gama 2 Sao Paulo 0 -0.1
Bahia 2 Fluminense 0 No
+1.1
Botafogo 1 Internacional 0 -0.2
Sao Paulo 1 Cruzeiro 0 +0.0
Week of 11/25100.0*Serie B100.0*Average seed
America-MG 1 Bahia 0 -0.7
Botafogo 2 Parana 1 -0.2
Cruzeiro 0 Flamengo 2 +0.1
Internacional 2 Fluminense 0 +0.0
Vasco da Gama 0 Palmeiras 1 +0.0
Atletico-PR 2 Ceara 2 +0.0
Corinthians 0 Chapecoense 0 +0.0
If winner is:HomeDrawAway
Week of 12/2100.0*Serie B100.0*Average seed
Bahia vs Cruzeiro+0.3+0.1-0.3
Gremio vs Corinthians+0.1+0.1-0.2
Sport Recife vs Santos+0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
501-0-0NoNo2476No3,165,366
480-1-0NoNo100No2,020,427
470-0-1NoNo6238No3,165,727
Total:NoNo97714No8,351,520
Points
Chance Will Win Championship