How are these numbers calculated?

Big Games

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

Week of 11/19100.0*Average seed
Ponte Preta 1 Fluminense 0 -1.3
Grêmio 3 América-MG 0 -0.2
Corinthians 1 Internacional 0 -0.2
Cruzeiro 2 Santos 2 +0.1
Chapecoense 2 São Paulo 0 -0.1
Atlético-PR 2 Sport Recife 0 -0.1
Flamengo 2 Coritiba 2 +0.1
Week of 11/26100.0*Average seed
Figueirense 1 Fluminense 0 -1.0
Internacional 1 Cruzeiro 0 +0.2
Atlético-MG 1 São Paulo 2 -0.2
Palmeiras 1 Chapecoense 0 +0.2
Coritiba 0 Vitória 1 +0.1
Santa Cruz 5 Grêmio 1 +0.1
Botafogo 1 Ponte Preta 1 +0.1
If winner is:HomeEmpateAway
Week of 12/4100.0*Average seed
Fluminense vs Internacional+1.3-0.5-0.9
São Paulo vs Santa Cruz-0.3-0.0+0.3
Cruzeiro vs Corinthians-0.3-0.0+0.3
Ponte Preta vs Coritiba-0.2+0.1+0.1
Chapecoense vs Atlético-MG-0.1-0.1+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
521-0-0NoNo1745316No5,847,422
500-0-1NoNo245324No3,732,740
490-1-0NoNo54352No5,846,558
Total:NoNo717203125No15,426,720
Points
Chance Will Win Championship