How are these numbers calculated?

Big Games

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

Week of 11/17100.0*Chance in playoffs100.0*Average seed
Steve 106.6 Hribar 103.4 +14.1
+0.9
Gerrett 89.2 Germ 115.8 +1.2
+0.1
JD 129 Tyler 90 +1.2
Kevin 125.6 Matt 128.2 -0.5
+0.1
Thai 101.9 Haines 90.8 +0.5
Parnes 77.6 Phillips 112.7 +0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
JD 99.8 Steve 113.4 In
+0.5
Parnes 125.4 Thai 89.3 +0.9
Germ 108.8 Hribar 108.6 +0.9
Phillips 124.5 Tyler 93.7 -0.6
Haines 88 Kevin 170.8 -0.2
-0.2
Matt 86.8 Gerrett 94.9 +0.1
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Steve vs Haines+0.4-0.4
Kevin vs JD-0.3+0.3
Gerrett vs Tyler-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
91-0In841612,864,230
80-1In27551812,853,714
Total:In5536925,717,944
Games Above .500
Chance Will Make Playoffs