How are these numbers calculated?

Big Games

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

Week of 11/22100.0*Libertadores100.0*Average seed
Internacional 2 Atlético-MG 1 -29.3
-0.8
Corinthians 1 Grêmio 0 -2.0
+0.1
Sport Recife 2 Fluminense 2 +0.4
+0.0
Santos 0 São Paulo 1 -0.3
Week of 11/29100.0*Libertadores100.0*Average seed
Internacional 3 Palmeiras 1 -10.6
-0.1
Atlético-MG 1 Coritiba 2 No
-0.4
Fluminense 5 Corinthians 2 +2.6
-0.2
Bahia 1 Grêmio 0 +0.2
If winner is:HomeEmpateAway
Week of 12/6100.0*Libertadores100.0*Average seed
Botafogo vs Atlético-MG-0.6-0.0+0.6
Cruzeiro vs Fluminense+0.3+0.0-0.3
Grêmio vs Flamengo-0.3+0.0+0.3

What If

Chances based on how well the Atlético-MG finish out the regular season.   Explain

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
641-0-0NoNo6733No5,118,756
620-0-1NoNo235423No3,904,734
610-1-0NoNo14059No5,116,830
Total:NoNo314128No14,140,320
Points
Chance Will Win Championship