How are these numbers calculated?

Big Games

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

Week of 10/10100.0*Chance in playoffs100.0*Average seed
Madison 0 Omaha 0 -2.0
-0.3
North Texas 2 Richmond 1 +1.3
-0.1
Fort Lauderdale 2 Madison 2 -0.8
-0.2
Tucson 2 Greenville 2 +0.0
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Richmond 0 South Georgia 1 +0.5
-0.1
Chattanooga 1 Madison 1 -0.3
Greenville 1 Omaha 2 Out
-0.1
Madison 0 North Texas 1 -1.1
Tucson 2 Orlando II 0 -0.2
South Georgia 4 New England II 0 -0.1
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Madison 2 New England II 1 +1.3
Richmond 1 Chattanooga 2 -0.3
North Texas 2 South Georgia 1 +0.1
Omaha 1 Fort Lauderdale 0 +0.0
Points
Chance Will Make Playoffs