How are these numbers calculated?

Big Games

How we did last week and who we should root for this week.   Explain

Week of 2/5100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Nailing Yaks 291.31 Getrektzky 224.47 +10.7
-10.7
+1.0
Denim Chicken 228.99 Jussi Djoos 250.78 -2.3
+2.3
-0.1
Frolunda HC 243.23 Flying Zambonis 210.23 +1.0
-1.0
NurseSharks 206.71 Burns baby Burns 208.21 -0.7
+0.7
-0.1
One Kessticle 226.53 Tenacious turtles 163.46 +0.6
-0.6
+0.1
Caketown 237.66 Do as I Seguin, 273.66 +0.6
-0.6
+0.1
Koekkoek for Co 278.14 Pimpin' Ain't P 257.24 -0.3
+0.3
+0.1
If winner is:HomeAway
Week of 2/12100.0*Chance in playoffs100.0*Relegated100.0*Average seed
Do as I Seguin, vs Nailing Yaks-12.4+8.7
+12.4-8.7
-0.9+0.6
Flying Zambonis vs Caketown-1.5+2.5
+1.5-2.5
Pimpin' Ain't P vs Burns baby Burns+1.6-1.3
-1.6+1.3
Tenacious turtles vs Frolunda HC-0.9+1.3
+0.9-1.3
-0.0+0.1
Jussi Djoos vs Koekkoek for Co-1.1+0.9
+1.1-0.9
Getrektzky vs Denim Chicken-0.7+0.6
+0.7-0.6

What If

Chances based on how well the Nailing Yaks finish out the regular season.   Explain

100100100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TWW-Lplayoffs1234567891011121314RelegatedCount
134-099.0%04384314101.0%2,077,649
123-146.2093642111053.87,676,036
112-21.00118492930099.010,220,945
101-3Out06374313100Yes5,809,198
90-4Out0103938121Yes1,200,404
Total:21.2%00361219231911521078.8%26,984,232
Games Above .500
Chance Will Make Playoffs