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*Average seed
Bahia 1 Atlético-PR 2 -0.2
Santos 0 São Paulo 1 +0.2
Sport Recife 2 Fluminense 2 -0.1
Cruzeiro 2 Goiás 1 +0.1
Figueirense 2 Vitória 0 -0.1
Flamengo 1 Criciúma 1 +0.0
Week of 11/29100.0*Average seed
Santos 2 Botafogo 0 -0.3
Flamengo 4 Vitória 0 -0.2
Criciúma 2 Sport Recife 2 -0.2
São Paulo 1 Figueirense 1 +0.1
Atlético-PR 1 Goiás 0 -0.0
If winner is:HomeEmpateAway
Week of 12/6100.0*Average seed
Sport Recife vs São Paulo+0.9-0.5-0.5
Figueirense vs Internacional-0.4+0.2+0.2
Grêmio vs Flamengo+0.2-0.1-0.1
Vitória vs Santos+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
521-0-0NoNo255322No5,118,443
500-0-1NoNo6436No3,903,501
490-1-0NoNo6436No5,118,376
Total:NoNo9194923No14,140,320
Points
Chance Will Win Championship