How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Average seed
America-MG 2 Santos 1 -0.7
Santos 1 Botafogo 1 -0.2
Botafogo 1 Internacional 0 -0.2
Vitoria 1 Atletico-PR 2 -0.1
Cruzeiro 3 Vitoria 0 -0.1
Bahia 2 Fluminense 0 -0.1
Sao Paulo 1 Cruzeiro 0 +0.1
Atletico-PR 1 Corinthians 0 +0.0
Week of 11/25100.0*Average seed
Botafogo 2 Parana 1 -0.2
America-MG 1 Bahia 0 +0.2
Cruzeiro 0 Flamengo 2 +0.1
If winner is:HomeDrawAway
Week of 12/2100.0*Average seed
Sport Recife vs Santos-0.7-0.2+0.7
Atletico-MG vs Botafogo+0.3+0.0-0.4
Bahia vs Cruzeiro+0.1+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibertadores1234567891011121314151617181920Serie BCount
531-0-0NoNo414613No10,867,556
510-1-0NoNo4357No6,058,632
500-0-1NoNo8812No8,128,372
Total:NoNo1830484No25,054,560
Points
Chance Will Win Championship