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*Average seed
Indelével 21 Congresso 36 +21.5
+0.8
Aleixo 42 Braz 35 -6.1
-0.1
Belenenses 45 Limaco 18 +5.5
+0.2
Cabedelo 30 AAFDD 20 +4.4
+0.2
FGE 34 Sociedade Franciscana 13 +1.3
+0.1
Pirineu 40 Ratoli 29 -0.2
Week of 5/26100.0*Chance in playoffs100.0*Average seed
Congresso 24 Colírio 13 +19.0
+0.7
Dima FAC 28 Ratoli 31 (ot)-5.9
-0.2
AAFDD 34 Sinani 31 -5.5
-0.2
Limaco 10 Aleixo 21 -3.6
-0.1
Sociedade Franciscana 40 Pirineu 30 +1.6
+0.1
Braz 21 FGE 32 +0.1
Week of 6/2100.0*Chance in playoffs100.0*Average seed
Congresso 51 Cabedelo 53 -13.1
-1.0
Rashid 57 Aleixo 17 In
+0.3
AAFDD 27 Ratoli 24 -12.3
Braz 28 Sociedade Franciscana 34 +0.3
Points
Chance Will Make Playoffs