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*Playoff LFFA B100.0*Average seed
Olímpia 40 Duas 37 +29.1
+0.7
Dima Cardinals 33 Pocino 36 -4.4
-0.1
Paternos 25 Poti 15 -1.5
-0.1
Zopene 20 Doza 27 (ot)+0.1
Jiquiá FAC 39 Serafiano 10 -0.0
Week of 5/17100.0*Playoff LFFA B100.0*Average seed
Poti 30 Olímpia 28 -45.6
-1.0
Duas 24 Dima Cardinals 27 -11.0
-0.2
Pocino 36 Bolanha 33 -5.9
-0.2
AE Popular 10 Paternos 22 -0.8
-0.1
Week of 5/24100.0*Playoff LFFA B100.0*Average seed
AE Popular 40 Olímpia 37 -0.6
Floresta Negra 12 Paternos 47 -0.2
Siliar 26 Jiquiá FAC 35 -0.1
Points
Chance Will Win Championship