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 +19.5
+0.5
CHI 4 CIN 1 +4.2
+0.0
Friday100.0*Chance in playoffs100.0*Average seed
ELM 3 REA 2 (ot)+9.8
+0.2
CHI 4 KAL 2 -8.4
-0.2
GRN 2 SC 3 -7.8
-0.2
CIN 5 TOL 2 -6.6
-0.1
TRE 1 WHL 4 -0.1
Saturday100.0*Chance in playoffs100.0*Average seed
REA 6 TRE 4 +25.1
+0.5
CIN 3 CHI 2 (ot)+16.0
+0.1
SC 5 GRN 2 -8.4
-0.2
Points
Chance Will Make Playoffs