How are these numbers calculated?

Big Games

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

Friday100.0*Chance in playoffs100.0*Average seed
SCB 5 ZSC 4 -11.2
-0.4
HCFG 2 GSHC 3 +7.1
+0.1
HCL 5 EVZ 3 -5.0
-0.2
HCAP 5 HCD 2 -1.3
-0.1
SCRJ 5 SCLT 2 +0.3
+0.1
EHCB 4 LHC 2 +0.1
Saturday100.0*Chance in playoffs100.0*Average seed
GSHC 4 EHCB 1 -14.6
-0.2
ZSC 6 SCRJ 2 +12.9
+0.3
LHC 4 HCFG 3 (so)+2.5
+0.0
HCD 3 HCL 1 +0.7
+0.2
SCLT 4 SCB 2 -0.1
-0.1
Monday100.0*Chance in playoffs100.0*Average seed
GSHC 3 ZSC 2 Out
-1.2
HCL 4 SCB 2 -0.4
HCAP 4 SCRJ 3 -0.1
EVZ 2 HCFG 3 (so)+0.1
Points
Chance Will Make Playoffs