How are these numbers calculated?

Big Games

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

Week of 3/23100.0*Chance in playoffs100.0*Average seed
Samsquanch 7 Meatballs 3 -10.3
-0.1
Blizzard 5 MightyPylons 5 -7.1
-0.1
Week of 3/29100.0*Chance in playoffs100.0*Average seed
MightyPylons 5 Meatballs 6 Out
-0.7
YYZ 3 ThePeterNorthstars 5 +0.1
Week of 4/8None
Points
Chance Will Make Playoffs