How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

Thursday100.0*Serie B100.0*Average seed
Guarani 2 Botafogo 0 +14.0
-0.8
Fluminense 2 Portuguesa 0 -1.8
+0.1
Parana 1 Gremio 1 -1.8
+0.1
Sunday100.0*Serie B100.0*Average seed
Botafogo 0 Sao Paulo 1 Yes
-1.0
Paysandu 0 Internacional 2 +9.4
-0.2
Figueirense 2 Parana 2 +4.7
-0.1
Vitoria 4 Palmeiras 3 -2.0
+0.0
Portuguesa 2 Bahia 4 -1.7
+0.0
Gama 4 Coritiba 0 -0.3
Points
Chance Will Make Playoffs