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 +0.1
-0.2
Madison 0 Omaha 0 +0.1
+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
Greenville 1 Omaha 2 Out
Richmond 0 South Georgia 1 +0.1
-0.2
Chattanooga 1 Madison 1 +0.1
South Georgia 4 New England II 0 -0.9
Tucson 2 Orlando II 0 -0.2
Madison 0 North Texas 1 +0.1
If winner is:HomeDrawAway
Week of 10/24100.0*Chance in playoffs100.0*Average seed
Madison vs New England II-1.0+0.3+1.5
Omaha vs Fort Lauderdale+0.1+0.1-0.4
North Texas vs South Georgia+0.1+0.0-0.2
Richmond vs Chattanooga+0.1-0.1-0.1

What If

Chances based on how well the New England II finish out the regular season.   Explain

100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-Lplayoffs1234567891011Count
211-0-0Out42481014,275,793,630
190-1-0Out1189012,804,856,380
180-0-1Out851524,703,430,528
Total:Out11162541751,784,080,538
Points
Chance Will Make Playoffs