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
Hartford 4 Birmingham 0 +11.6
+0.2
Birmingham 0 Charleston 0 +7.7
+0.1
Loudoun 4 Saint Louis 3 +6.5
+0.2
Saint Louis 0 Louisville 1 +4.7
+0.1
Indy 3 Memphis 0 +0.4
+0.0
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Charleston 2 Memphis 0 +19.0
+0.4
Charleston 1 Loudoun 2 -14.8
-0.4
Birmingham 2 New York II 1 -11.8
-0.3
Saint Louis 0 Pittsburgh 1 +3.7
+0.2
Memphis 1 Charlotte 2 +0.8
Week of 10/18100.0*Chance in playoffs100.0*Average seed
Charleston 5 Bethlehem 1 In
+0.4
North Carolina 1 Saint Louis 0 In
+0.2
Birmingham 0 Pittsburgh 1 +0.3
Points
Chance Will Make Playoffs