How are these numbers calculated?

Big Games

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

ThursdayNone
Friday100.0*Chance in playoffs100.0*Brabham100.0*Average seed
KAL 6 TOL 2 +0.5
FLA 1 CHR 3 -0.2
GWT 3 SC 4 -0.2
CIN 5 JHN 1 -0.1
Saturday100.0*Chance in playoffs100.0*Brabham100.0*Average seed
CHR 0 TOL 7 -0.5
LV 3 Steelheads 1 +0.6
KAL 3 TOL 2 +0.6
GWT 0 SC 3 -0.3
FLA 4 CHR 3 (so)+0.3
WHL 4 CIN 1 +0.2
Points
Chance Will Make Playoffs