How are these numbers calculated?

Big Games

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

Week of 5/10100.0*Campeonato Nacional100.0*Average seed
Jiquiá FAC 39 Serafiano 10 +6.3
-0.2
Abedi Pelé 18 AE Popular 13 -6.2
+0.1
Paternos 25 Poti 15 -4.0
+0.1
União Militar 20 Liga Operária 18 -0.3
Week of 5/17100.0*Campeonato Nacional100.0*Average seed
Serafiano 30 FAC Metropolitano 27 (ot)-23.9
+0.5
Poti 30 Olímpia 28 +18.9
-0.4
Liga Operária 43 Siliar 37 +7.7
-0.2
AE Popular 10 Paternos 22 -6.0
+0.1
União Militar 28 Jiquiá FAC 39 -5.8
+0.1
Week of 5/24100.0*Campeonato Nacional100.0*Average seed
FAC Metropolitano 27 União Militar 13 No
+0.2
Poti 42 Dima Cardinals 42 (ot)No
+0.2
Zopene 37 Serafiano 15 +0.6
-0.0
Points
Chance Will Win Championship