How are these numbers calculated?

Big Games

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

Wednesday100.0*Chance in playoffs100.0*Average seed
REA 3 WHL 0 -7.1
-0.1
CHI 4 CIN 1 +2.2
+0.1
Friday100.0*Chance in playoffs100.0*Average seed
GRN 2 SC 3 +23.0
+0.8
CHI 4 KAL 2 -6.0
-0.2
ELM 3 REA 2 (ot)-3.8
-0.1
CIN 5 TOL 2 -2.0
-0.1
TRE 1 WHL 4 -0.3
-0.1
Saturday100.0*Chance in playoffs100.0*Average seed
SC 5 GRN 2 In
+0.5
CIN 3 CHI 2 (ot)-11.3
-0.1
REA 6 TRE 4 -5.7
-0.1
WHL 4 ELM 3 (so)-0.1
Points
Chance Will Make Playoffs