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
Avai 2 Palmeiras 1 -1.5
-0.3
Santos 1 Gremio 0 -1.0
+0.1
Vitoria 1 Cruzeiro 1 +0.5
+0.0
Week of 11/25100.0*Libertadores100.0*Average seed
Cruzeiro 0 Vasco da Gama 1 Yes
+0.0
Palmeiras 2 Botafogo 0 Yes
+0.5
Flamengo 1 Santos 2 -1.6
-0.2
Gremio 1 Atletico-GO 1 -0.2
+0.1
If winner is:HomeEmpateAway
Week of 12/3100.0*Libertadores100.0*Average seed
Atletico-PR vs Palmeiras-0.3-0.3+0.5
Santos vs Avai-0.4+0.2+0.2
Atletico-MG vs Gremio+0.2+0.2-0.4

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleLibertadores1234567891011121314151617181920Serie BCount
661-0-0NoYes100No5,849,209
640-0-1NoYes394714No3,730,697
630-1-0NoYes394714No5,846,814
Total:NoYes62299No15,426,720
Points
Chance Will Win Championship