How are these numbers calculated?

Big Games

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

Week of 2/8100.0*Chance in playoffs100.0*Average seed
Northampton 3 SouthernLehigh 1 In
+0.1
Week of 2/19100.0*Chance in playoffs100.0*Average seed
Nazareth 1 Northampton 6 -0.8
Emmaus 1 Parkland 8 -0.2
Easton 0 Parkland 11 -0.1
Points
Chance Will Make Playoffs