How are these numbers calculated?

Big Games

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

Week of 11/15100.0*Chance in playoffs100.0*Average seed
PJ 100.5 Beano 90 +19.4
+0.9
Ryan 86.5 MikeBorr 64.5 +3.4
+0.1
Alex 113.5 Dan 104 -3.3
-0.1
Jordan 110 Clen 93.5 +1.8
+0.1
Helms 94.5 Bill 144 -1.3
Nick 115.5 Sam 159 -0.4
Week of 11/22100.0*Chance in playoffs100.0*Average seed
PJ 77.5 Dan 106.5 -19.7
-1.2
Jordan 138 MikeBorr 159.5 -3.5
-0.2
Alex 95.5 Bill 129.5 +2.8
+0.1
Helms 129.5 Clen 102.5 +0.2
Nick 117 Ryan 99.5 -0.1
-0.1
Beano 83 Sam 117.5 -0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
PJ 88.5 Bill 112 -39.2
-0.8
Helms 93.5 MikeBorr 113.5 -10.1
-0.2
Alex 116.5 Clen 97 +7.6
Games Above .500
Chance Will Make Playoffs