How are these numbers calculated?

Big Games

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

Week of 1/31100.0*Chance in playoffs100.0*Average seed
Forum 5 Duguay Sports 6 -12.0
-1.4
Marc Sports 2 Samson 3 -6.4
+0.1
Physio 3 Forum 3 -4.1
-0.3
Lumpers 3 Pêle-Mêle 3 -0.5
-0.0
Physio 3 Sampa 2 *-0.3
HydroMax 7 Argus Mazda 2 +0.1
Royal Lepage 4 Certi Centre 6 -0.0
Uniprix 0 Certi Centre 1 -0.0
Week of 2/8100.0*Chance in playoffs100.0*Average seed
Pêle-Mêle 3 Forum 2 -35.9
-1.9
Samson 1 Duguay Sports 2 +19.5
+0.7
Sampa 3 Pêle-Mêle 0 +4.6
+0.3
Lumpers 4 Physio 2 -0.7
-0.1
Week of 2/14100.0*Chance in playoffs100.0*Average seed
Forum 3 Lumpers 1 In
+1.8
Pêle-Mêle 3 Marc Sports 2 -26.3
-0.1
Sampa 8 Samson 3 +11.6
+0.3
Lumpers 5 Nadeau 2 -0.9

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
Chance Will Make Playoffs