How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance in playoffs100.0*Average seed
JD Peters 115.6 Michael Phillips 114.6 +21.8
+0.9
Gerrett Henry 129.9 Steven Koerper 95.3 -4.3
-0.1
Andy Germani 75.3 Matt Parnes 68.1 -2.1
-0.1
Kevin Cottington 85.2 Steve Dao 134 -1.6
-0.1
Brady Kress 96.2 Tyler Graham 116.7 -0.5
-0.0
Week of 11/25100.0*Chance in playoffs100.0*Average seed
Kevin Cottington 108 JD Peters 120 +6.7
+0.3
Mike Haines 106.9 Michael Phillips 62.9 +5.3
+0.2
Stephen Hribar 107 Gerrett Henry 127 -5.2
-0.3
Andy Germani 96.4 Steven Koerper 84 -0.9
Brady Kress 76 Steve Dao 105 -0.6
-0.1
Tyler Graham 126 Matt Parnes 83 -0.4
-0.1
If winner is:HomeAway
Week of 12/2100.0*Chance in playoffs100.0*Average seed
JD Peters vs Stephen Hribar+0.9-0.5
Andy Germani vs Steve Dao+0.4-0.3
Gerrett Henry vs Tyler Graham-0.2+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In30655025,990,891
80-1In19493253,735,709
Total:In1034342279,726,600
Games Above .500
Chance Will Make Playoffs