sales volumes in 2013 increased from 2012 , primarily for fluff pulp , reflecting improved market demand and a change in our product mix with a full year of fluff pulp production at our franklin , virginia mill .
average sales price realizations were lower for fluff pulp while prices for market pulp increased .
input costs for wood , fuels and chemicals were higher .
mill operating costs were significantly lower largely due to the absence of costs associated with the start-up of the franklin mill in 2012 .
planned maintenance downtime costs were higher .
in the first quarter of 2014 , sales volumes are expected to be slightly lower compared with the fourth quarter of 2013 .
average sales price realizations are expected to improve , reflecting the further realization of previously announced sales price increases for softwood pulp and fluff pulp .
input costs should be flat .
planned maintenance downtime costs should be about $ 11 million higher than in the fourth quarter of 2013 .
operating profits will also be negatively impacted by the severe winter weather in the first quarter of 2014 .
consumer packaging demand and pricing for consumer packaging products correlate closely with consumer spending and general economic activity .
in addition to prices and volumes , major factors affecting the profitability of consumer packaging are raw material and energy costs , freight costs , manufacturing efficiency and product mix .
consumer packaging net sales in 2013 increased 8% ( 8 % ) from 2012 , but decreased 7% ( 7 % ) from 2011 .
operating profits decreased 40% ( 40 % ) from 2012 and 1% ( 1 % ) from 2011 .
net sales and operating profits include the shorewood business in 2011 .
excluding costs associated with the permanent shutdown of a paper machine at our augusta , georgia mill and costs associated with the sale of the shorewood business , 2013 operating profits were 22% ( 22 % ) lower than in 2012 , and 43% ( 43 % ) lower than in 2011 .
benefits from higher sales volumes ( $ 45 million ) were offset by lower average sales price realizations and an unfavorable mix ( $ 50 million ) , higher operating costs including incremental costs resulting from the shutdown of a paper machine at our augusta , georgia mill ( $ 46 million ) and higher input costs ( $ 6 million ) .
in addition , operating profits in 2013 included restructuring costs of $ 45 million related to the permanent shutdown of a paper machine at our augusta , georgia mill and $ 2 million of costs associated with the sale of the shorewood business .
operating profits in 2012 included a gain of $ 3 million related to the sale of the shorewood business , while operating profits in 2011 included a $ 129 million fixed asset impairment charge for the north american shorewood business and $ 72 million for other charges associated with the sale of the shorewood business .
consumer packaging .

in millions
2013
2012
2011
sales
$ 3435
$ 3170
$ 3710
operating profit
161
268
163

north american consumer packaging net sales were $ 2.0 billion in 2013 compared with $ 2.0 billion in 2012 and $ 2.5 billion in 2011 .
operating profits were $ 63 million ( $ 110 million excluding paper machine shutdown costs and costs related to the sale of the shorewood business ) in 2013 compared with $ 165 million ( $ 162 million excluding charges associated with the sale of the shorewood business ) in 2012 and $ 35 million ( $ 236 million excluding asset impairment charges and other costs associated with the sale of the shorewood business ) in 2011 .
coated paperboard sales volumes in 2013 were higher than in 2012 reflecting stronger market demand .
average sales price realizations were lower year-over- year despite the realization of price increases in the second half of 2013 .
input costs for wood and energy increased , but were partially offset by lower costs for chemicals .
planned maintenance downtime costs were slightly lower .
market-related downtime was about 24000 tons in 2013 compared with about 113000 tons in 2012 .
the permanent shutdown of a paper machine at our augusta , georgia mill in the first quarter of 2013 reduced capacity by 140000 tons in 2013 compared with 2012 .
foodservice sales volumes increased slightly in 2013 compared with 2012 despite softer market demand .
average sales margins were higher reflecting lower input costs for board and resins and a more favorable product mix .
operating costs and distribution costs were both higher .
the u.s.shorewood business was sold december 31 , 2011 and the non-u.s .
business was sold in january looking ahead to the first quarter of 2014 , coated paperboard sales volumes are expected to be seasonally weaker than in the fourth quarter of 2013 .
average sales price realizations are expected to be slightly higher , and margins should also benefit from a more favorable product mix .
input costs are expected to be higher for energy , chemicals and wood .
planned maintenance downtime costs should be $ 8 million lower with a planned maintenance outage scheduled at the augusta mill in the first quarter .
the severe winter weather in the first quarter of 2014 will negatively impact operating profits .
foodservice sales volumes are expected to be seasonally lower .
average sales margins are expected to improve due to the realization of sales price increases effective with our january contract openers and a more favorable product mix. .

Question: in 2013 what percentage of consumer packaging sales is attributable to north american consumer packaging net sales?
Answer: 58%

Question: in 2012 what percentage of consumer packaging sales is attributable to north american consumer packaging net sales?
Answer: 63%