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-MG 3 Coritiba 0 +4.3
-1.0
Fluminense 2 Ponte Preta 0 -1.3
-0.1
Sport Recife 1 Bahia 0 +1.1
Avai 2 Palmeiras 1 +0.9
Vitoria 1 Cruzeiro 1 -0.6
+0.0
Atletico-PR 3 Vasco da Gama 1 -0.1
Atletico-GO 1 Chapecoense 1 +0.1
Sao Paulo 0 Botafogo 0 +0.0
Week of 11/25100.0*Serie B100.0*Average seed
Coritiba 1 Sao Paulo 2 +10.1
-0.9
Fluminense 1 Sport Recife 2 +5.1
+0.1
Avai 1 Atletico-PR 0 +4.0
-0.0
Ponte Preta 2 Vitoria 3 +0.7
-0.1
Bahia 0 Chapecoense 1 -0.1
If winner is:HomeEmpateAway
Week of 12/3100.0*Serie B100.0*Average seed
Chapecoense vs Coritiba+28.2+9.4No
-0.8-0.4+1.1
Sport Recife vs Corinthians+18.8-4.0-16.3
-0.3+0.1+0.3
Santos vs Avai-11.7-11.7+19.1
+0.2+0.2-0.4
Vitoria vs Flamengo+7.0+7.0-11.5
-0.3-0.1+0.3
Atletico-GO vs Fluminense+0.2-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
461-0-0NoNo295614No5,842,181
440-0-1NoNo154235943.6%3,735,923
430-1-0NoNo533461762.45,848,616
Total:NoNo11272826934.2%15,426,720
Points
Chance Will Win Championship