How are these numbers calculated?

Big Games

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

Week of 9/9100.0*Average seed
Charleston 2 Bethlehem 1 +0.2
Louisville 2 Richmond 0 +0.1
Charlotte 4 Pittsburgh 0 -0.0
Rochester 1 New York 1 +0.0
Week of 9/17100.0*Average seed
Richmond 1 Charleston 2 +1.0
Charlotte 0 Rochester 1 -0.3
Week of 9/24100.0*Average seed
Charleston 1 New York 2 -0.8
Wilmington 2 Richmond 0 +0.2
Rochester 1 Toronto 0 -0.2
Louisville 1 Charlotte 1 +0.1
Points
Chance Will Make Playoffs