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
Jack 94 Mike 85 +7.2
+0.4
Lisa 82 Galv 95 -0.6
Cash 93 Phil 83 -0.5
Cstat 104 Des 86 +0.4
Dude 110 Gila 96 +0.2
If winner is:HomeAway
Week of 10/11100.0*Chance in playoffs100.0*Average seed
Phil vs Jack-11.8+6.6
-0.7+0.4
Mike vs Gila+1.8-1.1
+0.1-0.0
Des vs Dude+0.7-0.7
Galv vs Cash-0.2+0.2
Lisa vs Cstat+0.1-0.1
+0.1-0.0

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1310-0In991143,010
129-1In9370988,594
118-2In7227103,223,180
107-3100.0%345114106,190,743
96-498.463543152007,750,000
85-572.1052642244006,612,931
74-615.10114373611103,891,154
63-70.2005264223401,560,846
52-8Out021541357408,138
41-9Out0111474162,866
30-10Out0128811,958
Total:76.3%19231915107421030,843,420
Games Above .500
Chance Will Make Playoffs