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
Fluminense 2 Ponte Preta 0 +19.5
-0.8
Sport Recife 1 Bahia 0 +3.3
-0.2
Avai 2 Palmeiras 1 +1.8
-0.1
Atletico-MG 3 Coritiba 0 -1.5
+0.1
Vitoria 1 Cruzeiro 1 -1.5
+0.0
Sao Paulo 0 Botafogo 0 +0.2
Atletico-GO 1 Chapecoense 1 -0.2
Atletico-PR 3 Vasco da Gama 1 +0.1
Week of 11/25100.0*Serie B100.0*Average seed
Ponte Preta 2 Vitoria 3 Yes
-0.9
Fluminense 1 Sport Recife 2 +5.9
-0.2
Avai 1 Atletico-PR 0 +3.8
-0.2
Coritiba 1 Sao Paulo 2 -1.9
+0.1
Gremio 1 Atletico-GO 1 +0.0
If winner is:HomeEmpateAway
Week of 12/3100.0*Serie B100.0*Average seed
Vasco da Gama vs Ponte Preta-0.3-0.3+0.5
Sport Recife vs Corinthians-0.1-0.1+0.2
Santos vs Avai+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
421-0-0NoNo144739Yes5,843,960
39-40NoNo100Yes9,582,760*
Total:NoNo51877Yes15,426,720

* Row combines multiple less frequent records.

Points
Chance Will Win Championship