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*Serie B100.0*Average seed
Corinthians 1 Internacional 0 No
-0.1
Atlético-PR 2 Sport Recife 0 +0.1
Cruzeiro 2 Santos 2 -0.4
Flamengo 2 Coritiba 2 +0.1
Chapecoense 2 São Paulo 0 -0.0
Ponte Preta 1 Fluminense 0 -0.1
Grêmio 3 América-MG 0 -0.1
Week of 11/26100.0*Serie B100.0*Average seed
Internacional 1 Cruzeiro 0 -1.0
Atlético-MG 1 São Paulo 2 -0.2
Figueirense 1 Fluminense 0 +0.2
Botafogo 1 Ponte Preta 1 +0.1
Coritiba 0 Vitória 1 +0.1
Palmeiras 1 Chapecoense 0 +0.1
Corinthians 0 Atlético-PR 0 -0.1
América-MG 2 Sport Recife 2 +0.0
If winner is:HomeEmpateAway
Week of 12/4100.0*Serie B100.0*Average seed
Cruzeiro vs Corinthians+1.3-0.0-1.3
Fluminense vs Internacional-0.3+0.1+0.3
São Paulo vs Santa Cruz-0.3+0.1+0.2
Vitória vs Palmeiras-0.2+0.1+0.1
Ponte Preta vs Coritiba-0.1+0.3-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
511-0-0NoNo2444275No5,844,298
490-0-1NoNo63954No3,733,500
480-1-0NoNo394714No5,848,922
Total:NoNo9182030185No15,426,720
Points
Chance Will Win Championship