How are these numbers calculated?

Big Games

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

Week of 10/5100.0*Average seed
Loudoun 4 Saint Louis 3 +0.8
Swope Park 1 Ottawa 2 +0.1
Hartford 2 Swope Park 2 +0.1
Atlanta II 5 Bethlehem 2 -0.1
Indy 3 Memphis 0 +0.1
Pittsburgh 1 Atlanta II 1 +0.0
Bethlehem 1 Charlotte 2 -0.0
Week of 10/11100.0*Average seed
Charleston 1 Loudoun 2 +0.9
Charleston 2 Memphis 0 +0.2
Memphis 1 Charlotte 2 -0.1
Ottawa 1 Bethlehem 1 +0.0
Week of 10/18100.0*Average seed
Loudoun 7 New York II 3 +0.7
Charlotte 3 Ottawa 1 -0.4
Nashville 3 Atlanta II 0 +0.2
Memphis 1 Louisville 2 +0.2
Points
Chance Will Make Playoffs