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
Abedi Pelé 18 AE Popular 13 +19.2
-0.6
Paternos 25 Poti 15 -2.3
+0.1
Jiquiá FAC 39 Serafiano 10 -2.0
+0.1
União Militar 20 Liga Operária 18 +0.6
-0.0
Week of 5/17100.0*Campeonato Nacional100.0*Average seed
AE Popular 10 Paternos 22 +16.1
-0.4
Serafiano 30 FAC Metropolitano 27 (ot)+8.5
-0.2
Liga Operária 43 Siliar 37 +3.8
-0.4
Poti 30 Olímpia 28 +2.8
-0.4
União Militar 28 Jiquiá FAC 39 -1.9
+0.1
Week of 5/24100.0*Campeonato Nacional100.0*Average seed
AE Popular 40 Olímpia 37 -32.5
+1.7
Liga Operária 23 Abedi Pelé 18 Yes
-0.2
Poti 42 Dima Cardinals 42 (ot)Yes
-0.2
FAC Metropolitano 27 União Militar 13 -2.2
+0.0
Points
Chance Will Win Championship