Read the following texts and table with financial data from an S&P 500 earnings report carefully.Based on the question-answer history (if provided), answer the last question. The answer may require mathematical calculation based on the data provided.

Text: movement in exit cost liabilities the movement in exit cost liabilities for pmi was as follows : ( in millions ) . <table class='wikitable'><tr><td>1</td><td>liability balance january 1 2014</td><td>$ 308</td></tr><tr><td>2</td><td>charges net</td><td>391</td></tr><tr><td>3</td><td>cash spent</td><td>-360 ( 360 )</td></tr><tr><td>4</td><td>currency/other</td><td>-69 ( 69 )</td></tr><tr><td>5</td><td>liability balance december 31 2014</td><td>$ 270</td></tr><tr><td>6</td><td>charges net</td><td>68</td></tr><tr><td>7</td><td>cash spent</td><td>-232 ( 232 )</td></tr><tr><td>8</td><td>currency/other</td><td>-52 ( 52 )</td></tr><tr><td>9</td><td>liability balance december 31 2015</td><td>$ 54</td></tr></table> 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 liability balance by the end of 2015?
Answer: 54.0
Question: and what was it in the beginning of that year?
Answer: 270.0
Question: what was, then, the change throughout the year?

user
-216.0
assistant