Oh, how the Astros have fallen

On July 24 the Astros were 50-46, tied with the Cubs, and 1.5GB of the Cardinals for first place. Let's look at the standings, as of July 24:

Team	Record	GB	RS	RA
StL	53-46	-	436	401
CHC	49-45	1.5	401	388
HOU	50-46	1.5	407	423
MIL	48-48	3.5	446	457
CIN	44-51	7	387	455
PIT	43-53	8.5	411	418

On this day, CoolStandings gave the Astros' their best odds of making the postseason at 20.4%. What do the standings look like, from July 25-today?

Team	Record	GB	RS	RA
StL	14-6	-	103	82
CHC	11-10	3.5	115	103
MIL	10-11	4.5	118	132
HOU	7-15	8	93	150
CIN	6-16	9	78	99
PIT	3-17	11	57	127

Ouch.