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
Ryan 86.5 MikeBorr 64.5 -26.5
-1.1
Helms 94.5 Bill 144 -5.2
-0.1
Jordan 110 Clen 93.5 +3.3
+0.2
PJ 100.5 Beano 90 -1.4
-0.0
Alex 113.5 Dan 104 -1.3
-0.0
Nick 115.5 Sam 159 -0.1
Week of 11/22100.0*Chance in playoffs100.0*Average seed
Jordan 138 MikeBorr 159.5 +10.5
+0.4
PJ 77.5 Dan 106.5 +10.2
+0.3
Alex 95.5 Bill 129.5 +0.4
+0.1
Nick 117 Ryan 99.5 -0.3
Helms 129.5 Clen 102.5 +0.1
Week of 11/29100.0*Chance in playoffs100.0*Average seed
Helms 93.5 MikeBorr 113.5 +26.3
+0.9
PJ 88.5 Bill 112 +16.5
+0.2
Alex 116.5 Clen 97 +2.4
+0.1
Games Above .500
Chance Will Make Playoffs