How are these numbers calculated?

Big Games

How we did yesterday and who we should root for today.   Explain

FridayNone
Saturday100.0*Average seed
WIN 2 OTT 3 +0.1
Sunday100.0*Average seed
SAS 8 POR 5 -0.2
OTT 4 MTL 3 +0.1
Games Above .500
Chance Will Make Playoffs