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
Gerrett 89.2 Germ 115.8 -13.3
-0.9
JD 129 Tyler 90 +2.3
+0.1
Kevin 125.6 Matt 128.2 -1.4
+0.1
Steve 106.6 Hribar 103.4 +1.3
Thai 101.9 Haines 90.8 -0.1
Week of 11/24100.0*Chance in playoffs100.0*Average seed
Matt 86.8 Gerrett 94.9 +26.3
+1.3
Parnes 125.4 Thai 89.3 +2.9
+0.1
Germ 108.8 Hribar 108.6 +2.6
+0.1
Phillips 124.5 Tyler 93.7 -1.4
Haines 88 Kevin 170.8 -0.6
-0.1
JD 99.8 Steve 113.4 -0.4
-0.1
If winner is:HomeAway
Week of 12/1100.0*Chance in playoffs100.0*Average seed
Gerrett vs Tyler+0.4-0.4
Kevin vs JD-0.2+0.2
Phillips vs Matt-0.1+0.1
Steve vs Haines-0.1+0.1

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs123456789101112Count
81-0In10375312,858,238
70-1In732712,859,706
Total:In518631325,717,944
Games Above .500
Chance Will Make Playoffs