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 -17.5
+0.8
Abedi Pelé 18 AE Popular 13 -4.9
+0.1
Paternos 25 Poti 15 -2.6
+0.1
Jiquiá FAC 39 Serafiano 10 -1.0
+0.0
Week of 5/17100.0*Campeonato Nacional100.0*Average seed
Poti 30 Olímpia 28 +21.3
-0.4
União Militar 28 Jiquiá FAC 39 +10.8
-0.3
AE Popular 10 Paternos 22 -6.9
+0.1
Liga Operária 43 Siliar 37 +6.3
-0.2
Serafiano 30 FAC Metropolitano 27 (ot)+2.7
-0.0
Week of 5/24100.0*Campeonato Nacional100.0*Average seed
FAC Metropolitano 27 União Militar 13 Yes
-0.5
Poti 42 Dima Cardinals 42 (ot)+1.1
+0.0
Zopene 37 Serafiano 15 -0.6
+0.0
AE Popular 40 Olímpia 37 +0.5
-0.6
Liga Operária 23 Abedi Pelé 18 +0.5
-0.5
Points
Chance Will Win Championship