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*Serie B100.0*Average seed
Sport Recife 0 Fluminense 3 -24.9
+0.8
Botafogo 3 Sao Paulo 2 +11.1
-0.2
Corinthians 2 Nautico 3 +1.2
-0.1
Santo Andre 4 Avai 2 +1.1
-0.1
Santos 4 Coritiba 0 -0.6
Vitoria 2 Barueri 1 +0.6
-0.1
Atletico-PR 1 Cruzeiro 1 +0.2
Week of 11/29100.0*Serie B100.0*Average seed
Fluminense 4 Vitoria 0 -29.9
+0.9
Cruzeiro 4 Coritiba 1 -7.8
+0.2
Atletico-PR 2 Botafogo 0 -4.6
Santo Andre 5 Nautico 3 +0.1
-0.0
If winner is:HomeDrawAway
Week of 12/5100.0*Serie B100.0*Average seed
Botafogo vs Palmeiras+23.1NoNo
-0.4+0.2+0.2
Coritiba vs Fluminense+23.0NoNo
-1.1-0.1+1.1
Barueri vs Atletico-PR+0.2-0.2-0.1
Vitoria vs Goias-0.1-0.1+0.2

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
481-0-0NoNo174935No5,320,976
460-1-0NoNo6436No4,138,644
450-0-1NoNo643636.0%5,323,900
Total:NoNo61830331313.0%14,783,520
Points
Chance Will Win Championship