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
Suva 0 Auckland City 3 -30.3
-30.3
-2.5
Suva 2 Amicale 3 -4.8
-4.8
-0.8
Pirae 3 Lupe ole Soaga 3 +2.4
+2.4
+0.1
Ba 3 Gaïtcha 0 -0.7
-0.7
-0.0
Western United 0 Amicale 1 -0.4
-0.4
-0.0
Auckland City 3 Western United 0 -0.4
-0.4
+0.0
Tafea 2 Hekari United 3 -0.2
-0.2
Team Wellington 2 Tefana 1 -0.2
-0.2
Gaïtcha 5 Pirae 2 -0.0
Ba 3 Lupe ole Soaga 1 +0.0
Hekari United 0 Team Wellington 2 +0.0
If winner is:HomeDrawAway
Tafea vs Team Wellington-0.4-0.1+0.1
Tefana vs Hekari United-0.0-0.1+0.1
Tefana vs Tafea+0.0+0.1-0.1
If winner is:HomeDrawAway
Week of 4/18100.0*Chance in playoffs100.0*Playoffs100.0*Average seed
Suva vs Western United+1.0-0.9-3.1
Ba vs Pirae+0.1-0.1-0.7
Gaïtcha vs Lupe ole Soaga+0.1+0.0-0.2

What If

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

100100100100100100100100100100100100
If finish:Chance inChance will finish regular season at seed
TPW-D-LplayoffsPlayoffs123456789101112Count
31-0-0OutNo33944121011,530,887
10-1-0OutNo073542153,333,023
00-0-1OutNo21792,793,882
Total:OutNo2263015961217,657,792
Points
Chance Will Make Playoffs