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 -1.0
-0.3
Vitoria 1 Cruzeiro 1 +0.2
Avai 2 Palmeiras 1 +0.1
+0.2
Week of 11/25100.0*Libertadores100.0*Average seed
Cruzeiro 0 Vasco da Gama 1 Yes
Gremio 1 Atletico-GO 1 Yes
-0.0
Flamengo 1 Santos 2 -0.6
-0.2
Palmeiras 2 Botafogo 0 -0.3
-0.2
If winner is:HomeEmpateAway
Week of 12/3100.0*Libertadores100.0*Average seed
Atletico-MG vs Gremio-0.5-0.3+0.7
Santos vs Avai-0.3-0.1+0.3
Atletico-PR vs Palmeiras+0.1+0.1-0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
651-0-0NoYes6238No5,846,966
630-0-1NoYes6238No3,730,600
620-1-0NoYes3862No5,849,154
Total:NoYes244433No15,426,720
Points
Chance Will Win Championship