How are these numbers calculated?

Big Games

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

Week of 10/23100.0*Chance in playoffs100.0*Average seed
Warriors 3 DPMM 2 +22.8
+1.0
Balestier 0 Home 1 +3.3
+0.1
Albirex 3 Woodlands 1 +2.3
+0.1
Hougang 4 Harimau Muda 1 +2.1
+0.1
Tampines 1 T. Pagar 1 -0.8
-0.0
Geylang 1 Y. Lions 0 -0.4
-0.0
Week of 10/30100.0*Chance in playoffs100.0*Average seed
Warriors 1 Harimau Muda 1 Out
-0.8
Y. Lions 2 Warriors 1 -37.3
-1.1
T. Pagar 0 Balestier 1 +10.2
+0.2
Woodlands 3 Tampines 6 +10.0
+0.2
T. Pagar 0 Home 1 +7.9
+0.2
Harimau Muda 2 DPMM 2 +3.1
+0.1
Balestier 3 Woodlands 0 +2.2
Week of 11/6100.0*Chance in playoffs100.0*Average seed
DPMM 2 Geylang 2 +0.4
Points
Chance Will Make Playoffs