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
HydroMax 7 Argus Mazda 2 -6.2
-0.5
Marty Waite 2 JPP 8 +5.3
+0.1
Uniprix 0 Certi Centre 1 -1.5
-0.1
Royal Lepage 4 Certi Centre 6 -0.5
-0.2
Forum 5 Duguay Sports 6 +0.1
Week of 2/8100.0*Chance in playoffs100.0*Average seed
Argus Mazda 2 Marty Waite 2 +6.8
+0.1
Certi Centre 4 HydroMax 4 -1.0
-0.1
Samson 1 Duguay Sports 2 +0.1
Sampa 3 Pêle-Mêle 0 +0.0
Week of 2/14100.0*Chance in playoffs100.0*Average seed
Certi Centre 1 Argus Mazda 5 In
+1.4
Argus Mazda 4 Royal Lepage 0 +0.4
Games Above .500
Chance Will Make Playoffs