How are these numbers calculated?

Big Games

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

Week of 10/4100.0*Chance in playoffs100.0*Average seed
Dude 110 Gila 96 +10.3
+0.8
Jack 94 Mike 85 -0.6
Cash 93 Phil 83 -0.2
Lisa 82 Galv 95 -0.2
If winner is:HomeAway
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Des vs Dude-11.5+11.5
-0.8+0.8
Mike vs Gila+0.9-0.9
Phil vs Jack+0.5-0.5
Lisa vs Cstat+0.1-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1210-0In99112,678
119-1In9190100,422
108-2100.0%6432400450,654
97-399.72146275001,205,360
86-484.01123535142002,108,984
75-518.700216363211102,527,207
64-60.1003183831912,107,055
53-7Out0073044181,204,055
42-8Out0043462451,728
31-9Out0991100,387
20-10Out19912,610
Total:39.0%791112121211109610,281,140
Games Above .500
Chance Will Make Playoffs