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
FLA 1 CHR 3 -0.2
CIN 5 JHN 1 +0.2
GWT 3 SC 4 -0.2
KAL 6 TOL 2 -0.2
Saturday100.0*Brabham100.0*Average seed
LV 3 Steelheads 1 +0.5
CHR 0 TOL 7 +0.1
WHL 4 CIN 1 -0.7
GWT 0 SC 3 -0.3
FLA 4 CHR 3 (so)-0.2
KAL 3 TOL 2 -0.2
Points
Chance Will Make Playoffs