How are these numbers calculated?

Big Games

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

Week of 9/25100.0*Chance in playoffs100.0*Average seed
Chase 100.3 Aglock 69.9 +11.3
+0.8
Growney 83.5 Eric 102.5 -0.4
Leland 89.3 Jones 65.1 +0.4
Coorsh 122.7 Kwan 109.8 +0.3
If winner is:HomeAway
Week of 10/3100.0*Chance in playoffs100.0*Average seed
Coorsh vs Chase-12.2+12.2
-0.8+0.8
Kwan vs Growney-0.5+0.5
Eric vs Frawley-0.3+0.3

What If

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

100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs12345678910Count
1210-0In100011,830
119-1In982094,010
108-2In861400422,499
97-3100.0%50418001,129,242
86-497.893538152001,975,924
75-550.802153333142002,368,953
64-61.800212313517301,977,157
53-70.0002133638111,129,131
42-8Out0063855423,528
31-9Out0118993,818
20-10Out19911,848
Total:50.1%13131312111098759,637,940
Games Above .500
Chance Will Make Playoffs