The Chicago Cubs have managed a win percentage of .495 since 1990.

	TEAM	W%	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Cubs	.475	1990	77	85	162	5,600	690	1,474	240	36	136	649	406	30	869	151	50	6,148	2,194	412	61	51	68	100	.263	.314	.392	.706
2	Cubs	.481	1991	77	83	160	5,522	695	1,395	232	26	159	654	442	36	879	123	64	6,130	2,156	417	75	55	41	87	.253	.309	.390	.700
3	Cubs	.481	1992	78	84	162	5,590	593	1,420	221	41	104	566	417	31	816	77	51	6,156	2,035	366	78	40	49	121	.254	.307	.364	.671
4	Cubs	.519	1993	84	78	163	5,627	738	1,521	259	32	161	706	446	34	923	100	43	6,216	2,327	452	67	42	61	131	.270	.325	.414	.739
5	Cubs	.434	1994	49	64	113	3,918	500	1,015	189	26	109	464	364	27	750	69	53	4,386	1,583	324	54	23	26	84	.259	.325	.404	.729
6	Cubs	.507	1995	73	71	144	4,963	693	1,315	267	39	158	648	440	34	953	105	37	5,543	2,134	464	71	35	46	110	.265	.327	.430	.757
7	Cubs	.469	1996	76	86	162	5,531	772	1,388	267	19	175	725	523	61	1,090	108	50	6,229	2,218	461	66	48	48	126	.251	.320	.401	.721
8	Cubs	.420	1997	68	94	162	5,489	687	1,444	269	39	127	642	451	34	1,003	116	60	6,095	2,172	435	83	38	40	119	.263	.321	.396	.717
9	Cubs	.552	1998	90	73	163	5,649	831	1,494	250	34	212	788	601	39	1,223	65	44	6,393	2,448	496	67	37	51	123	.264	.337	.433	.771
10	Cubs	.414	1999	67	95	162	5,482	747	1,411	255	35	189	717	571	39	1,170	60	44	6,201	2,303	479	65	44	38	120	.257	.329	.420	.749
11	Cubs	.401	2000	65	97	162	5,577	764	1,426	272	23	183	722	632	54	1,120	93	37	6,397	2,293	478	89	45	50	114	.256	.335	.411	.746
12	Cubs	.543	2001	88	74	162	5,406	777	1,409	268	32	194	748	577	66	1,077	67	36	6,219	2,323	494	117	53	72	132	.261	.336	.430	.766
13	Cubs	.414	2002	67	95	162	5,496	706	1,351	259	29	200	676	585	44	1,269	63	21	6,242	2,268	488	78	39	52	117	.246	.321	.413	.734
14	Cubs	.543	2003	88	74	162	5,519	724	1,431	302	24	172	691	492	50	1,158	73	31	6,187	2,297	498	80	46	40	135	.259	.323	.416	.739
15	Cubs	.549	2004	89	73	162	5,628	789	1,508	308	29	235	755	489	38	1,080	66	28	6,281	2,579	572	78	48	46	120	.268	.328	.458	.786
16	Cubs	.488	2005	79	83	162	5,584	703	1,506	323	23	194	674	419	50	920	65	39	6,159	2,457	540	69	37	49	131	.270	.324	.440	.764
17	Cubs	.407	2006	66	96	162	5,587	716	1,496	271	46	166	677	395	43	928	121	49	6,146	2,357	483	84	37	24	135	.268	.319	.422	.741
18	Cubs	.525	2007	85	77	162	5,643	752	1,530	340	28	151	711	500	40	1,054	86	33	6,268	2,379	519	48	37	48	127	.271	.333	.422	.754
19	Cubs	.602	2008	97	64	161	5,588	855	1,552	329	21	184	811	636	50	1,186	87	34	6,384	2,475	534	65	45	48	134	.278	.354	.443	.797
20	Cubs	.516	2009	83	78	161	5,486	707	1,398	293	29	161	678	592	59	1,185	56	34	6,244	2,232	483	65	42	44	134	.255	.332	.407	.738
21	Cubs	.463	2010	75	87	162	5,512	685	1,414	298	27	149	658	479	50	1,236	55	31	6,139	2,213	474	60	38	32	124	.257	.320	.401	.721
22	Cubs	.438	2011	71	91	162	5,549	654	1,423	285	36	148	610	425	59	1,202	69	23	6,128	2,224	469	60	35	35	123	.256	.314	.401	.715
23	Cubs	.377	2012	61	101	162	5,411	613	1,297	265	36	137	570	447	43	1,235	94	45	5,967	2,045	438	42	24	29	125	.240	.302	.378	.680
24	Cubs	.407	2013	66	96	162	5,498	602	1,307	297	18	172	576	439	67	1,230	63	32	6,077	2,156	487	43	30	28	120	.238	.300	.392	.693
25	Cubs	.451	2014	73	89	162	5,508	614	1,315	270	31	157	590	442	54	1,477	65	40	6,102	2,118	458	57	41	29	94	.239	.300	.385	.684
	Total	.495		2,800	2,860	5,662	193,027	25,476	49,281	9,585	1,061	6,181	24,213	18,120	1,966	41,781	3,096	1,356	216,555	79,531	16,827	2,016	1,426	1,428	4,123	.255	.323	.412	.735