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 -0.0
If winner is:HomeDrawAway
Ba vs GaïtchaOutOut+0.1
NoNo+0.1
-2.2+0.3+2.1
Auckland City vs Western United*+0.0-0.1+0.0
*+0.0-0.1+0.0
-0.0-0.1+0.0
Western United vs Amicale+0.0-0.1*-0.0
+0.0-0.1*-0.0
+0.2-0.0-0.2
Tefana vs Tafea+0.1-0.0-0.1
Tefana vs Hekari United+0.1-0.0-0.1
Tafea vs Team Wellington+0.1-0.0-0.1
Hekari United vs Team Wellington+0.1-0.0-0.1
If winner is:HomeDrawAway
Week of 4/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Ba vs Pirae+0.1-0.1-0.1
+0.1-0.1-0.1
-0.1+0.1+0.1
Amicale vs Auckland City+0.0-0.1+0.0
+0.0-0.1+0.0
-0.2-0.0+0.2

* 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 Gaïtcha finish out the regular season.   Explain

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPlayoffs123456789101112Count
31-0-00.2%0.2%0021534331422,472,774
10-1-0OutNo011245421,153,254
00-0-1OutNo117812,474,308
Total:0.1%0.1%001614161497336,100,336
Points
Chance Will Make Playoffs