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*Chance in playoffs100.0*Average seed
Indy 3 Memphis 0 -4.1
-0.4
Birmingham 0 Charleston 0 +2.3
Hartford 4 Birmingham 0 +1.5
Saint Louis 0 Louisville 1 +0.9
Loudoun 4 Saint Louis 3 +0.5
-0.1
Bethlehem 1 Charlotte 2 +0.0
Pittsburgh 1 Atlanta II 1 +0.0
Atlanta II 5 Bethlehem 2 -0.0
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Memphis 1 Charlotte 2 -4.0
-0.7
Charleston 2 Memphis 0 Out
-0.9
Birmingham 2 New York II 1 Out
Saint Louis 0 Pittsburgh 1 +0.7
Charleston 1 Loudoun 2 +0.5
-0.2
Ottawa 1 Bethlehem 1 +0.0
Week of 10/18100.0*Chance in playoffs100.0*Average seed
Memphis 1 Louisville 2 -1.0
Charlotte 3 Ottawa 1 -0.3
Nashville 3 Atlanta II 0 +0.3
Loudoun 7 New York II 3 -0.2
Charleston 5 Bethlehem 1 +0.1
Points
Chance Will Make Playoffs