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
Corinthians 2 Nautico 3 -4.1
+0.4
Botafogo 3 Sao Paulo 2 +3.8
-0.1
Sport Recife 0 Fluminense 3 +2.9
-0.2
Santos 4 Coritiba 0 -0.5
Vitoria 2 Barueri 1 +0.3
Santo Andre 4 Avai 2 +0.2
-0.2
Atletico-PR 1 Cruzeiro 1 +0.1
Week of 11/29100.0*Serie B100.0*Average seed
Santo Andre 5 Nautico 3 Yes
-0.5
Fluminense 4 Vitoria 0 +1.4
-0.1
Atletico-PR 2 Botafogo 0 -0.7
Cruzeiro 4 Coritiba 1 -0.7
If winner is:HomeDrawAway
Week of 12/5100.0*Serie B100.0*Average seed
Internacional vs Santo Andre+0.1-0.1-0.1
Nautico vs Avai+0.1-0.1-0.1

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleLibetadores1234567891011121314151617181920Serie BCount
411-0-0NoNo2278Yes5,324,016
38-39NoNo100Yes9,459,504*
Total:NoNo892Yes14,783,520

* Row combines multiple less frequent records.

Points
Chance Will Win Championship