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
Botafogo 1 Internacional 0 No
+1.0
Vitoria 1 Atletico-PR 2 -0.1
-0.1
Sport Recife 0 Flamengo 1 +0.1
America-MG 2 Santos 1 +0.1
Corinthians 1 Vasco da Gama 0 -0.1
Cruzeiro 3 Vitoria 0 -0.2
Santos 1 Botafogo 1 -0.1
Atletico-MG 1 Bahia 0 +0.1
Sao Paulo 1 Cruzeiro 0 +0.1
Bahia 2 Fluminense 0 -0.1
Week of 11/25100.0*Serie B100.0*Average seed
Botafogo 2 Parana 1 +0.6
America-MG 1 Bahia 0 +0.2
Corinthians 0 Chapecoense 0 +0.0
Cruzeiro 0 Flamengo 2 +0.0
If winner is:HomeDrawAway
Week of 12/2100.0*Serie B100.0*Average seed
Atletico-MG vs Botafogo-0.5-0.3+0.7
Sport Recife vs Santos+0.3-0.1-0.3
Bahia vs Cruzeiro+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
541-0-0NoNo6238No3,167,701
520-1-0NoNo6238No2,019,455
510-0-1NoNo3862No3,164,364
Total:NoNo244433No8,351,520
Points
Chance Will Win Championship