How are these numbers calculated?

Big Games

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

ThursdayNone
Friday100.0*Brabham100.0*Average seed
CIN 2 CHR 3 -0.2
GWT 4 SC 2 +0.1
FLA 5 AUG 4 -0.0
Saturday100.0*Brabham100.0*Average seed
LV 1 BAK 5 +0.2
PEN 5 GWT 4 -0.5
CHR 2 CBA 3 +0.2
Points
Chance Will Make Playoffs