How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 11/11100.0*Serie C100.0*Average seed
Boa Esporte 4 Santa Cruz 2 Yes
Guarani 2 CRB 1 Yes
Brasil de Pelotas 3 ABC 0 -0.3
Nautico 1 Londrina 2 +0.1
Week of 11/17100.0*Serie C100.0*Average seed
ABC 2 Oeste 0 +0.6
Nautico 1 Vila Nova 2 +0.2
Paysandu 4 Santa Cruz 2 +0.1
If winner is:HomeDrawAway
Week of 11/25100.0*Serie C100.0*Average seed
Ceara vs ABC-0.2+0.0+0.6
Luverdense vs Nautico+0.2+0.2-0.6
Santa Cruz vs Juventude-0.4-0.2+0.4

What If

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

If finish:ChanceChance will finish season at seed
TPW-D-Lwins titleSerie A1234567891011121314151617181920Serie CCount
Chance Will Win Championship