How are these numbers calculated?

Big Games

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

Week of 9/30100.0*Average seed
Tampa Bay 3 New York 2 -0.2
Tampa Bay 1 Bethlehem 1 +0.1
Ottawa 1 Charleston 1 -0.1
Rochester 0 Louisville 0 +0.1
Week of 10/7100.0*Average seed
Charleston 4 Harrisburg 0 +0.5
Orlando 0 Tampa Bay 2 -0.4
Pittsburgh 0 Rochester 2 -0.2
Rochester 1 Bethlehem 0 -0.2
Louisville 2 Charlotte 1 +0.1
San Antonio 1 Tampa Bay 1 +0.0
Week of 10/14100.0*Average seed
Charlotte 0 Charleston 1 +1.2
Rochester 2 New York 1 -0.3
Points
Chance Will Make Playoffs