How are these numbers calculated?

Big Games

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

Week of 10/2100.0*Chance in playoffs100.0*Average seed
Matt 103.6 Lawson 78 -8.3
-0.7
Tyler 84 Phillips 61 -0.4
-0.1
Beck/Cottington 76.2 Haines 120 +0.4
+0.1
Hribar 75 Steve 137 +0.4
+0.1
Parnes 120.7 JD 105 +0.4
+0.1
Gerrett 80.4 Germ 107.8 +0.2
If winner is:HomeAway
Week of 10/9100.0*Chance in playoffs100.0*Average seed
Hribar vs Lawson-8.9+8.9
-0.8+0.8
Tyler vs Beck/Cottington-0.3+0.3
JD vs Gerrett-0.2+0.2
Germ vs Haines-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
119-0100.0%8119000016,664
108-199.666302100000000134,893
97-295.644347532211000542,939
86-379.618211311986543211,262,326
75-455.43412131212111097531,897,386
64-534.900681011111212121081,896,187
53-619.102467911131517171,263,783
42-79.012346811152131541,977
31-83.60112347122248135,689
20-91.000001247166916,484
Total:47.8%8878889999997,708,328
Games Above .500
Chance Will Make Playoffs