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 A100.0*Average seed
Parana 0 Bragantino 2 +9.8
+0.8
Mogi Mirim 0 Santa Cruz 3 -4.7
-0.1
Vitoria 3 Luverdense 0 -1.7
America MG 1 Ceara 1 -1.1
-0.0
Paysandu PA 1 Criciuma 0 -0.2
-0.2
CRB 2 Sampaio Correa 1 +0.2
+0.2
If winner is:HomeEmpateAway
Week of 11/28100.0*Serie A100.0*Average seed
Bragantino vs Nautico+0.6+0.2-0.8
Oeste vs Paysandu PA+0.3+0.3-0.3

What If

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

100100100100100100100100100100100100100100100100100100100100
If finish:ChanceChance will finish season at seed
TPW-L-Ewins titleSerie A1234567891011121314151617181920Serie CCount
631-0-0NoNo100No19,449,450
610-0-1NoNo5446No11,718,664
600-1-0NoNo5446No17,684,846
Total:NoNo533117No48,852,960
Points
Chance Will Win Championship