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*Chance wins title100.0*Libetadores100.0*Average seed
Botafogo 3 Sao Paulo 2 +11.9
+0.1
+0.1
Flamengo 0 Goias 0 -8.1
+0.6
-0.2
Atletico-MG 0 Internacional 1 -0.3
-0.2
-0.0
Atletico-PR 1 Cruzeiro 1 +0.3
+0.9
+0.0
Santo Andre 4 Avai 2 +0.4
Week of 11/29100.0*Chance wins title100.0*Libetadores100.0*Average seed
Corinthians 0 Flamengo 2 +25.5
Yes
+0.7
Goias 4 Sao Paulo 2 +12.4
+0.2
+0.2
Sport Recife 1 Internacional 2 -5.4
-1.4
-0.3
Palmeiras 3 Atletico-MG 1 -4.8
-0.2
Cruzeiro 4 Coritiba 1 -2.9
-0.1
If winner is:HomeDrawAway
Week of 12/5100.0*Chance wins title100.0*Libetadores100.0*Average seed
Flamengo vs GremioYes-24.4-27.4
+0.7-0.3-0.4
Internacional vs Santo Andre-17.6+9.9+9.9
-0.4+0.2+0.2
Botafogo vs Palmeiras+9.9+9.9-17.6
+0.2+0.2-0.4
Sao Paulo vs Sport Recife-15.3+8.7+8.6
-0.4+0.2+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
671-0-0YesYes100No5,320,782
650-1-029.2%Yes2945224No4,136,682
640-0-126.2Yes2644255No5,326,056
Total:53.6%Yes5428153No14,783,520
Points
Chance Will Win Championship