How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Serie B100.0*Average seed
Atletico-PR 3 Vasco da Gama 1 No
+1.4
Vitoria 1 Cruzeiro 1 -0.1
+0.0
Fluminense 2 Ponte Preta 0 -0.1
-0.1
Sport Recife 1 Bahia 0 +0.1
Atletico-MG 3 Coritiba 0 -0.1
Sao Paulo 0 Botafogo 0 +0.0
Flamengo 3 Corinthians 0 -0.1
Atletico-GO 1 Chapecoense 1 +0.1
Week of 11/25100.0*Serie B100.0*Average seed
Avai 1 Atletico-PR 0 -1.4
Cruzeiro 0 Vasco da Gama 1 -0.2
Coritiba 1 Sao Paulo 2 -0.2
Fluminense 1 Sport Recife 2 +0.2
Bahia 0 Chapecoense 1 -0.1
Palmeiras 2 Botafogo 0 +0.1
Corinthians 2 Atletico-MG 2 +0.0
If winner is:HomeEmpateAway
Week of 12/3100.0*Serie B100.0*Average seed
Atletico-PR vs Palmeiras+1.5-0.0-1.0
Atletico-GO vs Fluminense+0.2+0.2-0.3
Atletico-MG vs Gremio-0.1-0.1+0.2
Chapecoense vs Coritiba-0.1-0.1+0.2
Sao Paulo vs Bahia-0.1+0.1+0.0

What If

Chances based on how well the Atletico-PR finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
511-0-0NoNo3224530No14,356,734
490-0-1NoNo5149No11,509,234
480-1-0NoNo5644No21,700,592
Total:NoNo1714213820No47,566,560
Points
Chance Will Win Championship