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
Steamboat 6 Mariners 2 +17.1
+1.6
HCDallas 1 Eagles 0 -0.6
Heat 2 HawksBLACK 6 -0.6
Eagles 0 HawksBLACK 4 -0.5
Oilers 3 Heat 3 +0.4
GrMtnFalls 3 JagsBLACK 3 -0.2
WarNAVY 5 HCDallas 2 +0.2
Mariners 1 HawksRED 3 +0.1
Leafs 2 Oilers 1 *-0.1
Saturday, 2/17100.0*Chance in playoffs100.0*Average seed
HawksRED 6 Steamboat 5 -23.0
-1.7
Eagles 2 Steamboat 3 +18.2
+1.4
Mariners 1 GrMtnFalls 5 -3.1
-0.1
Leafs 4 Mariners 1 -2.6
-0.1
JagsBLACK 2 Eagles 2 +1.6
+0.1
Heat 0 GrMtnFalls 4 -1.1
-0.1
Oilers 2 WarNAVY 5 -0.9
JagsBLACK 6 Heat 3 -0.6
HawksBLACK 3 Oilers 1 -0.5
HawksBLACK 3 HCDallas 0 +0.2
WarNAVY 5 Leafs 1 *-0.1
Sunday, 2/18100.0*Chance in playoffs100.0*Average seed
Steamboat 2 JagsBLACK 4 -35.1
-1.5
Heat 1 Steamboat 5 +17.6
+0.9
GrMtnFalls 2 WarNAVY 2 -5.3
-0.1
HawksRED 4 Eagles 0 -4.3
-0.2
Leafs 0 HawksBLACK 4 +3.8
+0.2
HCDallas 2 HawksRED 0 +3.4
+0.1
HCDallas 5 Leafs 1 +2.5
+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