How are these numbers calculated?

Big Games

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

Week of 5/18100.0*Chance in playoffs100.0*Average seed
North Shore 0 MTA 13 In
+0.0
TABC 10 MTA 2 -1.4
Heschel 3 Flatbush 5 -0.2
Flatbush 1 Frisch 5 +0.1
Week of 5/28100.0*Chance in playoffs100.0*Average seed
Frisch 7 MTA 0 -0.2
TABC 1 SAR 5 +0.1
Week of 6/2100.0*Chance in playoffs100.0*Average seed
MTA 6 Haftr 4 +0.2
Ramaz 4 Haftr 7 +0.1
Points
Chance Will Make Playoffs