How are these numbers calculated?

Big Games

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

Week of 4/11100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Pirae 4 Auckland City 11 +26.0
+26.0
+1.9
If winner is:HomeDrawAway
Auckland City vs Western United+29.5-3.9-27.7
+29.5-3.9-27.7
+1.7+0.1-1.7
Ba vs Gaïtcha-3.4+0.7+3.1
-3.4+0.7+3.1
-0.1+0.1+0.1
Tafea vs Team Wellington-1.1+2.7-0.2
-1.1+2.7-0.2
-0.1+0.1+0.0
Hekari United vs Team Wellington-1.1+2.7-0.2
-1.1+2.7-0.2
-0.1+0.1+0.0
Tefana vs Tafea-1.0+2.2*-0.0
-1.0+2.2*-0.0
-0.1+0.1+0.0
Tefana vs Hekari United-1.0+2.2*-0.0
-1.0+2.2*-0.0
-0.1+0.1+0.0
Tafea vs Hekari United-0.6+2.5-0.6
-0.6+2.5-0.6
-0.0+0.1-0.0
Western United vs Amicale+0.5+1.3-1.1
+0.5+1.3-1.1
+0.0+0.1-0.0
If winner is:HomeDrawAway
Week of 4/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Amicale vs Auckland City-26.8-3.5+28.5
-26.8-3.5+28.5
-1.6+0.2+1.5
Ba vs Pirae+2.6+4.2-4.6
+2.6+4.2-4.6
+0.0+0.1-0.1

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

What If

Chances based on how well the Auckland City finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPlayoffs123456789101112Count
92-0-0InYes82181,003,346
71-1-0InYes434890934,151
61-0-186.9%86.9%41734321212,005,870
50-2-077.977.9082941211216,973
40-1-116.516.5021539341010933,571
30-0-20.20.20031531361311,006,425
Total:65.7%65.7%2116141411876206,100,336
Points
Chance Will Make Playoffs