How are these numbers calculated?

Big Games

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

Week of 11/21100.0*Libetadores100.0*Average seed
Corinthians 2 Nautico 3 No
-0.8
Santos 4 Coritiba 0 -0.1
Flamengo 0 Goias 0 +0.1
Vitoria 2 Barueri 1 +0.0
Week of 11/29100.0*Libetadores100.0*Average seed
Corinthians 0 Flamengo 2 -0.9
Goias 4 Sao Paulo 2 -0.2
Fluminense 4 Vitoria 0 +0.2
Avai 2 Santos 2 +0.1
Gremio 4 Barueri 2 +0.1
Atletico-PR 2 Botafogo 0 -0.1
Cruzeiro 4 Coritiba 1 +0.0
If winner is:HomeDrawAway
Week of 12/5100.0*Libetadores100.0*Average seed
Atletico-MG vs Corinthians-0.7-0.4+1.0
Vitoria vs Goias-0.4+0.2+0.2
Barueri vs Atletico-PR-0.2+0.5-0.2
Santos vs Cruzeiro-0.3-0.0+0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
521-0-0NoNo100No5,320,981
500-1-0NoNo1142379No4,135,418
490-0-1NoNo6324517No5,327,121
Total:NoNo4223279No14,783,520
Points
Chance Will Win Championship