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 -0.4
-0.4
-0.0
If winner is:HomeDrawAway
Tafea vs Hekari United-24.2-7.1+27.5
-24.2-7.1+27.5
-1.7-0.1+1.7
Tefana vs Hekari United-16.3+1.2+34.2
-16.3+1.2+34.2
-1.1+0.3+2.1
Hekari United vs Team Wellington+16.4-12.5-26.2
+16.4-12.5-26.2
+1.2-0.5-2.3
Ba vs Gaïtcha-1.8+3.2+6.7
-1.8+3.2+6.7
-0.1+0.1+0.1
Western United vs Amicale-1.6+2.4+1.8
-1.6+2.4+1.8
+0.0+0.1-0.0
Tafea vs Team Wellington-1.5+1.9+1.8
-1.5+1.9+1.8
Tefana vs Tafea*-0.0+0.9-0.7
*-0.0+0.9-0.7
Auckland City vs Western United-0.8+0.7+0.4
-0.8+0.7+0.4
If winner is:HomeDrawAway
Week of 4/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Ba vs Pirae+0.1+5.8-3.3
+0.1+5.8-3.3
Amicale vs Auckland City+3.0+2.9-2.5
+3.0+2.9-2.5
-0.0+0.1-0.0

* 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 Hekari United finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPlayoffs123456789101112Count
93-0-0InYes72281,021,706
72-1-0InYes29551511,569,890
62-0-179.8%79.8%21431331823,694,051
51-2-065.565.5021944341764,734
41-1-116.416.4021441366003,437,210
31-0-20.40.4005273823603,694,617
0-3-00.20.20063943111118,043
20-2-1OutNo033446171766,824
10-1-2OutNo08384951,569,101
00-0-3OutNo1052381,021,640
Total:37.5%37.5%71091214141210613217,657,816
Points
Chance Will Make Playoffs