The Montreal Canadiens have the highest winning percentage by a team in a decade, winning 71.8 percent of the time in the 1970s.

	TEAM	W%	DECADE	GP	W	L	T	OTL	PTS	PTS%	SOW	SOL	G	GA	DIFF	PP%	PK%	S/GP	S%	SA/GP	SV%
1	Canadiens	.718	1970s	788	499	155	134		1,132	.718			3,258	2,003	1,255	30.1	82.3	32.89	12.6	28.75	.912
2	Bruins	.688	1970s	788	485	188	115		1,085	.688			3,304	2,293	1,011	22.0	78.4	33.64	12.5	27.78	.895
3	Red Wings	.653	2000s	738	457	177	50	54	1,018	.690	17	20	2,400	1,807	593	21.3	84.7	32.64	10.0	26.38	.907
4	Avalanche	.632	2020s	454	287	130		37	611	.673	17	12	1,590	1,260	330	23.3	80.3	32.93	10.6	29.41	.906
5	Canadiens	.629	1960s	710	384	201	125		893	.629			2,361	1,797	564			34.12	9.7	28.86	.912
6	Senators	.627	1920s	318	182	101	35		399	.627			853	632	221
7	Oilers	.623	1980s	800	446	250	104		996	.623			3,803	3,059	744	23.8	79.6	30.98	15.3	31.46	.878
8	Flyers	.620	1980s	800	446	254	100		992	.620			3,233	2,650	583	22.0	79.9	33.10	12.2	29.23	.887
9	Hurricanes	.617	2020s	452	279	131		42	600	.664	16	15	1,474	1,178	296	22.4	85.3	33.27	9.8	26.91	.903
10	Bruins	.617	1930s	472	261	151	60		582	.617			1,318	993	325
11	Canadiens	.614	1980s	800	435	252	113		983	.614			3,185	2,515	670	22.4	80.7	30.92	12.9	27.06	.884
12	Red Wings	.610	1950s	700	362	208	130		854	.610			2,021	1,565	456			31.23	8.3	29.73	.912
13	Maple Leafs	.601	2020s	454	273	133		48	594	.654	12	12	1,578	1,332	246	24.5	79.3	31.91	10.9	29.90	.902
14	Bruins	.601	2020s	454	273	127		54	600	.661	14	18	1,430	1,185	245	21.3	82.9	31.61	10.0	29.23	.911
15	Canadiens	.599	1950s	700	354	216	130		838	.599			2,058	1,546	512			33.24	10.1	27.06	.921
16	Panthers	.598	2020s	453	271	145		37	579	.639	18	13	1,552	1,310	242	22.8	79.5	34.53	9.9	29.70	.903
17	Red Wings	.598	1990s	784	418	264	102		938	.598			2,859	2,325	534	19.4	82.9	31.76	11.5	27.30	.891
18	Devils	.597	2000s	738	415	223	51	49	930	.630	33	18	2,055	1,733	322	17.6	84.2	30.62	9.1	26.24	.911
19	Flyers	.595	1970s	788	393	244	151		937	.595			2,714	2,157	557	24.6	79.8	32.82	10.5	29.41	.907
20	Penguins	.593	2010s	786	466	243		77	1,009	.642	53	31	2,431	2,090	341	20.8	83.4	32.51	9.5	29.90	.911
21	Lightning	.590	2020s	454	268	147		39	575	.633	13	14	1,568	1,302	266	25.0	81.6	30.32	11.4	29.76	.904
22	Canadiens	.590	1910s	39	23	17	0		46	.590			203	162	41
23	Oilers	.589	2020s	455	268	150		37	573	.630	9	9	1,567	1,347	220	27.7	79.8	32.32	10.7	30.17	.902
24	Golden Knights	.589	2020s	455	268	142		45	581	.638	18	19	1,480	1,257	223	21.1	78.6	32.37	10.0	29.07	.905
25	Capitals	.588	2010s	786	462	233		91	1,015	.646	45	40	2,397	2,056	341	22.2	81.7	30.04	10.2	30.36	.914