How are these numbers calculated?

Big Games

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

FridayNone
Saturday100.0*Average seed
POR 4 EDM 3 -0.3
WIN 2 OTT 3 +0.3
Sunday100.0*Average seed
EDM 5 VAN 1 +0.4
QUE 3 WIN 2 +0.4
Games Above .500
Chance Will Make Playoffs