How are these numbers calculated?

Big Games

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

Week of 5/19100.0*Chance in playoffs100.0*Quartas de final100.0*Average seed
Pirineu 40 Ratoli 29 -2.1
No
-0.9
Indelével 21 Congresso 36 -0.9
-0.1
Aleixo 42 Braz 35 -0.8
+0.2
+0.1
Belenenses 45 Limaco 18 +0.7
-0.3
FGE 34 Sociedade Franciscana 13 +0.4
-0.3
-0.0
Cabedelo 30 AAFDD 20 +0.1
+0.1
FGC 10 Rashid 41 -0.3
Colírio 30 Itabira 29 +0.1
-0.1
Sinani 19 Dima FAC 14 +0.1
-0.1
Week of 5/26100.0*Chance in playoffs100.0*Quartas de final100.0*Average seed
Limaco 10 Aleixo 21 -4.3
-0.1
Dima FAC 28 Ratoli 31 (ot)+4.1
+0.2
Congresso 24 Colírio 13 -1.8
-0.1
AAFDD 34 Sinani 31 -0.5
-0.1
Braz 21 FGE 32 +0.2
Week of 6/2100.0*Chance in playoffs100.0*Quartas de final100.0*Average seed
AAFDD 27 Ratoli 24 -12.5
-1.8
Congresso 51 Cabedelo 53 In
+0.3
Rashid 57 Aleixo 17 In
+0.2
Braz 28 Sociedade Franciscana 34 +0.3
Itabira 33 Sinani 16 +0.3
Dima FAC 23 Pirineu 13 -0.2
Points
Chance Will Make Playoffs