worst winning percent of all-time with atleast 300 games played

The Washington Nationals have the lowest winning percentage by a team with 300+ games played, winning 32.6 percent of the time.

Interpreted as:

worst winning percent of all-time with atleast 300 or more games played

	TEAM	W%	G	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Nationals	.326	514	163	337	17,337	2,160	3,944	533	220	125	1,647	1,246	127		1,040		18,710	5,292	878					.227	.284	.305	.589
2	Reds	.365	348	125	217	12,768	1,643	3,191	408	157	30		318					13,086	4,003	595					.250		.314
3	Senators	.366	1,265	454	788	43,645	6,912	11,886	1,615	787	357	5,764	4,269	575	3,492	1,975		48,963	16,146	2,759	474				.272	.345	.370	.715
4	Hoosiers	.370	398	146	249	13,870	2,050	3,536	570	138	129	1,577	913	131		936		14,914	4,769	837					.255	.307	.344	.651
5	Trojans	.412	330	134	191	11,951	1,542	2,929	456	151	26		414					12,365	3,765	633					.245		.315
6	Terrapins	.425	314	131	177	10,180	1,195	2,609	418	120	68	1,016	957	83	1,184	280		11,579	3,471	606	359				.256	.325	.341	.666
7	Colonels	.429	2,355	993	1,320	82,256	12,464	21,505	2,816	1,292	436	8,508	6,080	757	3,638	3,474		89,787	28,213	4,544	609				.261	.319	.343	.662
8	Orioles	.437	944	403	519	32,654	4,964	7,699	1,083	504	136	2,635	2,289	208		1,451		35,293	10,198	1,723					.236	.293	.312	.605
9	Blues	.447	549	242	299	19,506	2,437	4,690	836	247	62		676					20,182	6,206	1,145					.240		.318
10	Rockies	.456	5,182	2,364	2,818	177,878	25,508	47,957	9,465	1,332	5,846	24,263	16,245	1,613	38,783	3,120	1,396	199,137	77,624	16,643	2,019	1,382	1,209	3,949	.270	.334	.436	.770
11	Marlins	.460	5,174	2,382	2,792	175,900	21,801	44,799	8,529	1,005	4,718	20,673	15,890	1,875	39,137	3,350	1,322	196,701	69,492	14,252	1,727	1,309	1,211	3,869	.255	.321	.395	.716
12	Metropolitans	.466	592	270	309	20,781	3,140	5,100	690	317	88	1,336	1,331	50		425		22,265	6,688	1,095					.245	.296	.322	.618
13	Padres	.468	9,008	4,217	4,789	304,496	36,548	75,940	13,450	1,772	7,370	34,376	28,979	2,171	60,306	6,074	2,624	341,673	115,044	22,592	3,748	2,279	2,699	6,573	.249	.317	.378	.695
14	Spiders	.469	1,802	827	938	63,232	10,057	17,006	2,308	961	292	8,238	5,871	580	3,144	2,800		70,233	22,112	3,561	550				.269	.337	.350	.686
15	Orioles	.475	19,476	9,195	10,171	661,510	84,093	170,609	29,514	4,924	14,570	77,764	63,639	4,529	99,390	10,643	2,809	743,342	253,681	49,008	10,534	3,130	2,587	10,908	.258	.326	.383	.709
16	Phillies	.475	21,810	10,303	11,392	746,250	96,891	194,314	33,609	6,695	14,354	87,101	68,095	5,457	106,305	15,042	2,935	834,775	284,375	54,658	11,928	3,045	3,752	9,926	.260	.326	.381	.707
17	Rangers	.476	10,288	4,899	5,383	351,200	46,294	90,502	16,150	1,902	10,322	43,749	33,253	2,746	66,121	6,037	2,869	393,030	141,422	28,374	2,972	2,859	2,267	7,861	.258	.324	.403	.727
18	Royals	.477	8,995	4,290	4,703	307,598	39,324	80,723	15,123	2,302	7,131	37,129	26,312	2,512	52,884	7,161	2,922	341,504	121,843	24,556	2,388	2,694	1,879	6,853	.262	.323	.396	.719
19	Mariners	.478	7,713	3,689	4,022	263,091	34,284	67,562	12,591	1,265	7,903	32,573	24,931	2,415	50,759	5,137	2,192	294,503	106,392	21,759	1,963	2,103	1,690	5,754	.257	.324	.404	.729
20	Tip-Tops	.480	310	147	159	10,256	1,309	2,750	430	160	78	1,134	877	92	1,223	469		11,516	3,734	668	291				.268	.331	.364	.695
21	Nationals	.481	9,000	4,331	4,665	304,365	37,707	77,186	14,895	1,810	7,716	35,450	28,557	2,661	58,151	6,632	2,809	341,786	118,849	24,421	3,888	2,315	2,891	6,577	.254	.321	.390	.711
22	Twins	.481	19,485	9,329	10,047	664,643	85,656	174,210	29,927	6,347	12,162	78,871	62,720	5,220	95,456	12,102	3,104	745,970	253,317	48,436	10,198	3,189	2,670	11,047	.262	.329	.381	.710
23	Mets	.484	10,134	4,899	5,227	342,866	41,892	85,672	15,312	1,825	8,750	39,466	32,799	2,919	65,915	5,998	2,747	385,240	130,884	25,887	4,001	2,655	3,159	7,537	.250	.318	.382	.700
24	Bisons	.485	656	314	333	23,841	3,474	6,194	1,008	366	105	365	933					24,774	8,249	1,479					.260		.346
25	Athletics	.486	19,437	9,405	9,945	658,868	85,814	169,575	29,417	5,342	14,300	79,101	64,867	4,768	100,062	12,164	3,228	742,328	252,576	49,059	10,697	3,128	2,281	10,691	.257	.327	.383	.710