How are these numbers calculated?

Big Games

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

FridayNone
Saturday100.0*Average seed
LAD 1 PHI 2 +0.1
Sunday100.0*Average seed
DEN 3 NYH 2 +0.1
PHI 4 TAM 0 +0.1
Games Above .500
Chance Will Make Playoffs