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
Alex 113.5 Dan 104 +16.8
+0.8
PJ 100.5 Beano 90 -3.9
-0.1
Ryan 86.5 MikeBorr 64.5 +3.4
Jordan 110 Clen 93.5 +2.4
+0.1
Helms 94.5 Bill 144 -1.8
-0.1
Nick 115.5 Sam 159 -0.4
Week of 11/22100.0*Chance in playoffs100.0*Average seed
Alex 95.5 Bill 129.5 -23.2
-1.1
PJ 77.5 Dan 106.5 +5.9
+0.2
Jordan 138 MikeBorr 159.5 -5.9
-0.2
Helms 129.5 Clen 102.5 +2.1
Nick 117 Ryan 99.5 -0.2
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Alex 116.5 Clen 97 +34.6
+1.0
PJ 88.5 Bill 112 +14.3
+0.2
Helms 93.5 MikeBorr 113.5 -10.3
-0.2
Ryan 92 Sam 142 +0.1
Games Above .500
Chance Will Make Playoffs