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
União Militar 20 Liga Operária 18 +26.8
-0.8
Abedi Pelé 18 AE Popular 13 -4.6
+0.1
Paternos 25 Poti 15 -3.0
+0.1
Jiquiá FAC 39 Serafiano 10 -0.2
+0.0
Week of 5/17100.0*Campeonato Nacional100.0*Average seed
Liga Operária 43 Siliar 37 -35.0
+1.2
Poti 30 Olímpia 28 +10.8
-0.2
AE Popular 10 Paternos 22 -4.3
+0.1
Serafiano 30 FAC Metropolitano 27 (ot)+0.4
União Militar 28 Jiquiá FAC 39 -0.1
Week of 5/24100.0*Campeonato Nacional100.0*Average seed
Liga Operária 23 Abedi Pelé 18 -58.9
+1.2
Poti 42 Dima Cardinals 42 (ot)+6.3
-0.3
FAC Metropolitano 27 União Militar 13 -2.0
+0.1
AE Popular 40 Olímpia 37 +1.6
-0.5
Points
Chance Will Win Championship