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
Hekari United vs Team Wellington-6.4-3.1+16.1
-6.4-3.1+16.1
-1.4+0.7+2.4
Tafea vs Team Wellington-6.4-3.1+16.1
-6.4-3.1+16.1
-1.4+0.7+2.4
Ba vs Gaïtcha-0.6+0.8+2.7
-0.6+0.8+2.7
+0.0-0.0-0.1
Western United vs Amicale-0.4+0.5+0.6
-0.4+0.5+0.6
+0.1-0.1-0.2
Tafea vs Hekari United-0.1+0.6-0.1
-0.1+0.6-0.1
Tefana vs Hekari United*-0.0+0.4-0.3
*-0.0+0.4-0.3
+0.0-0.0-0.1
Tefana vs Tafea*+0.0+0.4-0.3
*+0.0+0.4-0.3
+0.0-0.0-0.1
Auckland City vs Western United-0.2+0.1+0.2
-0.2+0.1+0.2
If winner is:HomeDrawAway
Week of 4/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Ba vs Pirae+0.2+1.4-1.0
+0.2+1.4-1.0
-0.0-0.0+0.1
Amicale vs Auckland City+1.0+0.7-0.8
+1.0+0.7-0.8
-0.2-0.0+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 Team Wellington finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPlayoffs123456789101112Count
62-0-077.9%77.9%11129362021,164,364
41-1-012.912.9011138408101,708,649
31-0-10.20.20031837321005,026,153
20-2-0OutNo022847221628,059
10-1-1OutNo03355663,692,906
00-0-2OutNo750425,437,685
Total:6.4%6.4%0124691318154151317,657,816
Points
Chance Will Make Playoffs