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*Libertadores100.0*Average seed
Atletico-GO 1 Chapecoense 1 -11.3
-0.6
Flamengo 3 Corinthians 0 -4.8
-0.2
Sport Recife 1 Bahia 0 +3.4
+0.1
Atletico-PR 3 Vasco da Gama 1 +2.7
-0.0
Sao Paulo 0 Botafogo 0 +1.6
+0.1
Atletico-MG 3 Coritiba 0 -1.1
-0.1
Week of 11/25100.0*Libertadores100.0*Average seed
Bahia 0 Chapecoense 1 +25.4
+1.8
Cruzeiro 0 Vasco da Gama 1 -3.9
-0.2
Palmeiras 2 Botafogo 0 +2.1
+0.1
Avai 1 Atletico-PR 0 +1.5
+0.2
Corinthians 2 Atletico-MG 2 +1.0
+0.0
Coritiba 1 Sao Paulo 2 -0.7
-0.2
Flamengo 1 Santos 2 +0.6
Fluminense 1 Sport Recife 2 +0.1
+0.2
If winner is:HomeDrawAway
Week of 12/3100.0*Libertadores100.0*Average seed
Chapecoense vs Coritiba+51.2-39.7No
+1.7-1.0-1.6
Botafogo vs Cruzeiro-6.0+3.0+4.0
-0.3+0.1+0.2
Vitoria vs Flamengo+3.3+3.3-4.5
+0.2+0.2-0.3
Vasco da Gama vs Ponte Preta-3.6+3.3+3.4
-0.2+0.2+0.2
Sao Paulo vs Bahia-0.4+1.2-0.4
-0.1+0.4-0.1
Atletico-MG vs Gremio-0.4+0.2+0.2
-0.3-0.1+0.3
Atletico-PR vs Palmeiras-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
541-0-0No92.4%1942318No21,324,849
520-1-0No1.62205622No11,669,446
510-0-1NoNo7364413No15,215,465
Total:No41.3%819141125194No48,209,760
Points
Chance Will Win Championship