How are these numbers calculated?

Big Games

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

Week of 11/23100.0*Average seed
Flamengo 1 Corinthians 0 -0.5
Santos 1 Fluminense 0 -0.1
Atlético-MG 4 Goiás 1 -0.1
São Paulo 1 Botafogo 1 +0.1
Internacional 0 Coritiba 0 +0.0
Bahia 1 Portuguesa 0 +0.0
Week of 11/30100.0*Average seed
Corinthians 0 Internacional 0 -0.3
Cruzeiro 1 Bahia 2 -0.2
Santos 2 Atlético-PR 1 -0.2
Vitória 4 Flamengo 2 +0.1
Criciúma 1 São Paulo 0 +0.1
Ponte Preta 0 Portuguesa 2 -0.1
If winner is:HomeDrawAway
Week of 12/7100.0*Average seed
Náutico vs Corinthians-0.9-0.2+0.6
São Paulo vs Coritiba-0.3+0.2+0.5
Bahia vs Fluminense-0.2+0.3+0.3
Internacional vs Ponte Preta-0.1+0.1+0.1

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 titleLibertadores1234567891011121314151617181920Serie BCount
531-0-0NoNo4654No22,224,229
510-1-0NoNo94844No12,779,321
500-0-1NoNo215030No11,276,610
Total:NoNo2544247No46,280,160
Points
Chance Will Win Championship