Bryan Robson had the lowest winning percentage by a manager in the Premier League with 200+ appearances, winning 26.3 percent of the time.

lowest winning percentage manager career 200 or more games

	COACH	W%	M	W	D	L	G	GC	SH	SOT	PASS-ATT	PASS	POSS%	FOUL	YC	RC
1	Bryan Robson	.263	232	61	71	100	255	340							422	19
2	Sean Dyche	.278	334	93	91	150	323	471	3,600	1,156	115,574	82,570	41.1	3,543	604	10
3	Steve Bruce	.279	476	133	132	211	496	654					44.3		815	59
4	Gordon Strachan	.303	271	82	80	109	308	360							420	24
5	Tony Pulis	.303	323	98	94	131	320	416	3,373	998	94,957		39.2	3,865	608	24
6	Joe Royle	.305	220	67	64	89	285	323					45.4		296	17
7	Roberto Martínez	.306	265	81	77	107	331	419	3,605	1,205	118,476		52.7	3,006	447	20
8	Steve McClaren	.321	218	70	56	92	256	300					46.4		309	22
9	Ron Atkinson	.325	203	66	58	79	228	267							251	12
10	Joe Kinnear	.326	298	97	90	111	367	431					48.3		393	25
11	Peter Reid	.326	227	74	60	93	260	316							372	19
12	Roy Hodgson	.327	416	136	102	178	481	586					46.1		621	24
13	Sam Allardyce	.328	542	178	146	218	636	762					44.0		925	38
14	Alan Curbishley	.329	328	108	85	135	381	472					50.7		472	25
15	Graeme Souness	.336	280	94	78	108	376	380							394	28
16	Mark Hughes	.338	465	157	127	181	568	640					48.8		846	53
17	Alan Pardew	.341	320	109	68	143	389	479					47.7		566	23
18	Glenn Hoddle	.344	256	88	70	98	314	352							359	22
19	Marco Silva	.353	218	77	45	96	296	335	2,708	892	96,618	77,556	50.4	2,455	426	20
20	George Graham	.356	289	103	92	94	342	300							441	19
21	Martin O'Neill	.362	359	130	115	114	474	447					46.1		498	19
22	Gerry Francis	.364	217	79	64	74	295	283							236	9
23	Harry Redknapp	.367	643	236	168	239	820	850					50.0		987	52
24	Martin Jol	.371	202	75	51	76	277	281					49.6		272	12
25	Eddie Howe	.379	340	129	77	134	503	518	4,305	1,480	145,485	115,898	48.9	3,351	570	14