Please answer the given financial question based on the context.
Context: movement in exit cost liabilities the movement in exit cost liabilities for pmi was as follows : ( in millions ) .
|liability balance january 1 2014|$ 308|
|charges net|391|
|cash spent|-360 ( 360 )|
|currency/other|-69 ( 69 )|
|liability balance december 31 2014|$ 270|
|charges net|68|
|cash spent|-232 ( 232 )|
|currency/other|-52 ( 52 )|
|liability balance december 31 2015|$ 54|
cash payments related to exit costs at pmi were $ 232 million , $ 360 million and $ 21 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively . future cash payments for exit costs incurred to date are expected to be approximately $ 54 million , and will be substantially paid by the end of 2017 . the pre-tax asset impairment and exit costs shown above are primarily a result of the following : the netherlands on april 4 , 2014 , pmi announced the initiation by its affiliate , philip morris holland b.v . ( 201cpmh 201d ) , of consultations with employee representatives on a proposal to discontinue cigarette production at its factory located in bergen op zoom , the netherlands . pmh reached an agreement with the trade unions and their members on a social plan and ceased cigarette production on september 1 , 2014 . during 2014 , total pre-tax asset impairment and exit costs of $ 489 million were recorded for this program in the european union segment . this amount includes employee separation costs of $ 343 million , asset impairment costs of $ 139 million and other separation costs of $ 7 million . separation program charges pmi recorded other pre-tax separation program charges of $ 68 million , $ 41 million and $ 51 million for the years ended december 31 , 2015 , 2014 and 2013 , respectively . the 2015 other pre-tax separation program charges primarily related to severance costs for the organizational restructuring in the european union segment . the 2014 other pre-tax separation program charges primarily related to severance costs for factory closures in australia and canada and the restructuring of the u.s . leaf purchasing model . the 2013 pre-tax separation program charges primarily related to the restructuring of global and regional functions based in switzerland and australia . contract termination charges during 2013 , pmi recorded exit costs of $ 258 million related to the termination of distribution agreements in eastern europe , middle east & africa ( due to a new business model in egypt ) and asia . asset impairment charges during 2014 , pmi recorded other pre-tax asset impairment charges of $ 5 million related to a factory closure in canada. .
Question: what was the difference in cash payments related to exit costs at pmi from 2013 to 2014 in millions?
Answer:
339.0