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
Vila Nova 0 Oeste 1 -25.3
+0.9
Oeste 2 Nautico 0 -18.1
+0.8
Icasa 1 Parana 2 -7.2
+0.0
Bragantino 2 Santa Cruz 1 +6.0
-0.2
ABC 1 Ceara 0 +1.6
-0.2
Atletico-GO 1 Bragantino 0 -1.6
+0.1
America-RN 2 Icasa 0 -1.2
+0.1
Ponte Preta 2 America-RN 2 +0.8
-0.0
Luverdense 1 America-MG 2 +0.1
Week of 11/21100.0*Serie C100.0*Average seed
America-RN 1 Nautico 0 +2.0
Bragantino 1 Parana 1 -1.2
+0.1
Vila Nova 3 ABC 5 +0.1
-0.2
Week of 11/29100.0*Serie C100.0*Average seed
ABC 0 Bragantino 2 +10.1
-0.5
Oeste 1 Joinville 0 No
+0.5
Parana 4 America-RN 1 No
+0.1
Luverdense 1 Ceara 0 -0.1
Points
Chance Will Win Championship