How are these numbers calculated?

Big Games

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

Week of 3/26100.0*Chance in playoffs100.0*Average seed
Hagen 4 YYZ 6 -11.9
-0.1
YYZ 3 DragonSlayers 7 +6.4
+0.1
Winterhawks 2 DragonSlayers 6 -5.0
-0.4
PuckBuddies 1 Blizzard 8 -3.5
-0.2
Lumberhacks 8 Meatballs 0 -1.4
-0.1
Week of 4/2100.0*Chance in playoffs100.0*Average seed
Winterhawks 8 Meatballs 3 +15.9
+0.3
YYZ 6 Blizzard 7 +15.0
+0.1
Winterhawks 5 PuckBuddies 4 +0.4
Hagen 4 Lumberhacks 5 -0.3
Points
Chance Will Make Playoffs