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*Libertadores100.0*Average seed
Coritiba 1 Santos 0 +13.9
+0.2
Corinthians 6 São Paulo 1 -10.4
-0.2
Internacional 1 Grêmio 0 -4.7
-0.1
Palmeiras 1 Cruzeiro 1 +1.3
+0.1
Sport Recife 0 Atlético-PR 0 +0.7
+0.0
Flamengo 1 Ponte Preta 1 +0.1
Week of 11/28100.0*Libertadores100.0*Average seed
São Paulo 3 Figueirense 2 +23.6
+0.5
Vasco da Gama 1 Santos 0 +7.7
+0.1
Fluminense 1 Internacional 1 +4.5
+0.1
If winner is:HomeEmpateAway
Week of 12/6100.0*Libertadores100.0*Average seed
Goiás vs São Paulo-27.8+4.2Yes
-0.3+0.0+0.1
Internacional vs Cruzeiro-18.8YesYes
-0.2+0.1+0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
621-0-0NoYes100No20,880,316
600-0-1No91.2%919No10,264,690
590-1-0No59.25941No11,275,954
Total:No87.0%8713No42,420,960
Points
Chance Will Win Championship