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
North Texas 2 Richmond 1 +1.0
-0.2
Madison 0 Omaha 0 +0.8
+0.1
Fort Lauderdale 2 Madison 2 +0.1
Tucson 2 Greenville 2 -0.0
Week of 10/17100.0*Chance in playoffs100.0*Average seed
Richmond 0 South Georgia 1 +0.8
Chattanooga 1 Madison 1 -0.5
-0.6
Greenville 1 Omaha 2 Out
Madison 0 North Texas 1 +0.2
Tucson 2 Orlando II 0 -0.1
South Georgia 4 New England II 0 +0.1
Orlando II 1 Richmond 3 -0.0
If winner is:HomeDrawAway
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Richmond vs Chattanooga-0.6+0.1+1.4
North Texas vs South Georgia+0.2+0.2-0.6
Madison vs New England II-0.1+0.4-0.1

What If

Chances based on how well the Chattanooga finish out the regular season.   Explain

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567891011Count
221-0-0Out10011,357,496,594
200-1-0Out782212,804,970,351
190-0-1Out19641727,621,613,593
Total:Out223040951,784,080,538
Points
Chance Will Make Playoffs