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 +3.1
+0.2
+0.1
Flamengo 0 Goias 0 +1.1
+0.2
+0.1
Atletico-MG 0 Internacional 1 -0.4
-1.7
-0.1
Atletico-PR 1 Cruzeiro 1 +1.6
+0.0
Santo Andre 4 Avai 2 +2.1
+0.1
Week of 11/29100.0*Chance wins title100.0*Libetadores100.0*Average seed
Palmeiras 3 Atletico-MG 1 +11.9
+27.0
+1.1
Goias 4 Sao Paulo 2 +5.3
+0.7
+0.2
Corinthians 0 Flamengo 2 -3.9
-1.2
-0.2
Sport Recife 1 Internacional 2 -2.7
-3.5
-0.3
Cruzeiro 4 Coritiba 1 -0.1
-6.6
-0.2
If winner is:HomeDrawAway
Week of 12/5100.0*Chance wins title100.0*Libetadores100.0*Average seed
Botafogo vs PalmeirasNoNo+23.7
-17.0YesYes
-1.1-0.0+1.2
Flamengo vs GremioNo+7.5+7.5
-0.2+0.1+0.1
Internacional vs Santo AndreNo+7.5+7.5
-0.3+0.0+0.3
Sao Paulo vs Sport Recife-2.5+1.4+1.4
-3.4-3.4+6.1
-0.3+0.0+0.3
Santos vs CruzeiroYesYes-17.0
+0.1+0.1-0.2

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-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
651-0-037.0%Yes3746161No5,323,926
630-1-0NoYes235423No4,140,096
620-0-1No73.5%175727No5,319,498
Total:13.3%90.4%1323272710No14,783,520
Points
Chance Will Win Championship