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
Lisa 82 Galv 95 +9.8
+0.6
Jack 94 Mike 85 -0.9
Cash 93 Phil 83 -0.7
Dude 110 Gila 96 +0.4
Cstat 104 Des 86 +0.3
If winner is:HomeAway
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Galv vs Cash+13.4-11.3
+0.7-0.6
Mike vs Gila+2.5-1.5
+0.1-0.0
Phil vs Jack+1.3-0.7
Des vs Dude+1.0-0.9
Lisa vs Cstat+0.2-0.1

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1310-0In100039,700
129-1In9370318,560
118-2In6929201,433,538
107-3100.0%295119203,780,751
96-497.042744223006,519,870
85-562.4031841317007,645,904
74-610.30110344014106,186,912
63-70.2004254224403,406,291
52-8Out0216413471,222,348
41-9Out01134739257,531
30-10Out01178332,015
Total:56.1%91416171613852130,843,420
Games Above .500
Chance Will Make Playoffs