How are these numbers calculated?

Big Games

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

Week of 11/9100.0*Serie C**100.0*Average seed
Bragantino 1 Joinville 0 +1.6
-0.1
Parana 2 Ipatinga 0 Yes
-0.2
Guaratingueta 1 Vitoria 0 +0.2
-0.1
Ceara 1 CRB 2 +0.1
-0.2
Goias 3 Barueri 0 +0.0
Week of 11/17100.0*Serie C**100.0*Average seed
Barueri 2 Avai 0 -0.1
Week of 11/23100.0*Serie C**100.0*Average seed
Guaratingueta 2 Barueri 1 +0.2
America-MG 3 Ipatinga 1 -0.0
Points
Chance Will Win Championship