How are these numbers calculated?

Big Games

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

Week of 11/18100.0*Chance of finishing last in regular season (trending toward being the horse's ass!)100.0*Average seed
NANA 117 POPP 112 -13.8
+0.2
AMP 125 CALK 221.5 -5.5
+0.1
KONZ 161 SWAY 107.75 +4.5
-0.1
FB 128.75 AP 152.25 +0.3
Week of 11/25100.0*Chance of finishing last in regular season (trending toward being the horse's ass!)100.0*Average seed
AP 129 AMP 107.25 -12.7
+0.1
FB 182.75 NANA 189.5 -12.5
+0.2
POPP 161.25 KONZ 110.75 -0.2
+0.1
Week of 12/2100.0*Chance of finishing last in regular season (trending toward being the horse's ass!)100.0*Average seed
AMP 137 NANA 167.75 No
+0.7
KONZ 114.75 FB 191 +0.2
Points
Chance Will Make Playoffs