How are these numbers calculated?

Big Games

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

Friday, 2/16100.0*Chance in playoffs100.0*Average seed
Mariners 1 HawksRED 3 +1.0
Heat 2 HawksBLACK 6 -0.7
WarNAVY 5 HCDallas 2 +0.5
Steamboat 6 Mariners 2 -0.5
Oilers 3 Heat 3 +0.3
GrMtnFalls 3 JagsBLACK 3 +0.2
+0.1
Eagles 0 HawksBLACK 4 -0.1
HCDallas 1 Eagles 0 *-0.1
Leafs 2 Oilers 1 *-0.1
Saturday, 2/17100.0*Chance in playoffs100.0*Average seed
Heat 0 GrMtnFalls 4 +24.4
+1.7
Mariners 1 GrMtnFalls 5 +23.2
+1.6
Eagles 2 Steamboat 3 -1.2
-0.1
JagsBLACK 6 Heat 3 -1.2
-0.1
Leafs 4 Mariners 1 -1.0
-0.0
JagsBLACK 2 Eagles 2 +0.7
HawksRED 6 Steamboat 5 +0.7
+0.0
HawksBLACK 3 Oilers 1 -0.5
WarNAVY 5 Leafs 1 +0.5
+0.1
Oilers 2 WarNAVY 5 -0.4
Sunday, 2/18100.0*Chance in playoffs100.0*Average seed
GrMtnFalls 2 WarNAVY 2 In
+0.5
HCDallas 5 Leafs 1 +6.9
+0.1
Leafs 0 HawksBLACK 4 +6.9
-0.1
HawksRED 4 Eagles 0 -6.5
-0.1
HCDallas 2 HawksRED 0 +4.7
+0.1
Heat 1 Steamboat 5 -4.5
-0.1
Steamboat 2 JagsBLACK 4 -2.6
-0.1

* A starred number could be exactly 0 or just really small. The simulation did not run long enough to know.

Games Above .500
Chance Will Make Playoffs