How are these numbers calculated?

Big Games

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

Week of 9/29100.0*Chance in playoffs100.0*Average seed
Richmond 0 South Georgia 1 +6.4
+0.3
Central Valley 1 Greenville 2 -2.7
Madison 2 Lexington 2 -0.8
Greenville 0 Northern Colorado 2 +0.6
Charlotte USL 1 Knoxville 1 +0.3
+0.0
Week of 10/6100.0*Chance in playoffs100.0*Average seed
South Georgia 0 Omaha 4 Out
-0.2
Northern Colorado 2 Madison 0 +7.7
+0.1
Knoxville 2 Richmond 2 +0.4
+0.1
Week of 10/14100.0*Chance in playoffs100.0*Average seed
North Carolina 2 Knoxville 1 +0.3
Charlotte USL 1 South Georgia 1 -0.0
Points
Chance Will Make Playoffs