How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Libertadores100.0*Average seed
Santos 1 Gremio 0 -17.3
-0.2
Vitoria 1 Cruzeiro 1 -8.7
-0.2
Flamengo 3 Corinthians 0 -1.5
-0.1
Avai 2 Palmeiras 1 +1.2
+0.1
Sao Paulo 0 Botafogo 0 +0.4
+0.0
Atletico-PR 3 Vasco da Gama 1 +0.3
+0.1
Sport Recife 1 Bahia 0 +0.1
Week of 11/25100.0*Libertadores100.0*Average seed
Cruzeiro 0 Vasco da Gama 1 -15.5
-0.5
Flamengo 1 Santos 2 -9.7
Palmeiras 2 Botafogo 0 -1.8
+0.0
Gremio 1 Atletico-GO 1 -0.4
If winner is:HomeEmpateAway
Week of 12/3100.0*Libertadores100.0*Average seed
Botafogo vs Cruzeiro-0.3+0.2+0.2
Vitoria vs Flamengo+0.2+0.2-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
57-59NoNo100No29,897,312*
560-1-0NoNo55432No17,669,248
Total:NoNo83161No47,566,560

* Row combines multiple less frequent records.

Points
Chance Will Win Championship