How are these numbers calculated?

Big Games

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

Week of 11/14100.0*Serie C100.0*Average seed
ABC 1 Ceara 0 -14.1
+1.0
Vila Nova 0 Oeste 1 +3.5
-0.2
Bragantino 2 Santa Cruz 1 +3.1
-0.2
Oeste 2 Nautico 0 +3.0
-0.2
Icasa 1 Parana 2 -2.3
-0.1
Atletico-GO 1 Bragantino 0 -1.8
+0.1
Ponte Preta 2 America-RN 2 -1.5
+0.1
America-RN 2 Icasa 0 -0.3
+0.0
Luverdense 1 America-MG 2 +0.1
Week of 11/21100.0*Serie C100.0*Average seed
America-RN 1 Nautico 0 +3.6
Vila Nova 3 ABC 5 No
+1.1
Bragantino 1 Parana 1 +0.1
Week of 11/29100.0*Serie C100.0*Average seed
ABC 0 Bragantino 2 -0.9
Luverdense 1 Ceara 0 -0.3
Parana 4 America-RN 1 -0.3
Nautico 1 Ponte Preta 1 +0.0
Points
Chance Will Win Championship