pre_text: we have adequate access to capital markets to meet any foreseeable cash requirements , and we have sufficient financial capacity to satisfy our current liabilities . cash flows millions 2014 2013 2012 .
post_text: operating activities higher net income in 2014 increased cash provided by operating activities compared to 2013 , despite higher income tax payments . 2014 income tax payments were higher than 2013 primarily due to higher income , but also because we paid taxes previously deferred by bonus depreciation ( discussed below ) . higher net income in 2013 increased cash provided by operating activities compared to 2012 . in addition , we made payments in 2012 for past wages as a result of national labor negotiations , which reduced cash provided by operating activities in 2012 . lower tax benefits from bonus depreciation ( as discussed below ) partially offset the increases . federal tax law provided for 100% ( 100 % ) bonus depreciation for qualified investments made during 2011 and 50% ( 50 % ) bonus depreciation for qualified investments made during 2012-2013 . as a result , the company deferred a substantial portion of its 2011-2013 income tax expense , contributing to the positive operating cash flow in those years . congress extended 50% ( 50 % ) bonus depreciation for 2014 , but this extension occurred in december and did not have a significant benefit on our income tax payments during 2014 . investing activities higher capital investments , including the early buyout of the long-term operating lease of our headquarters building for approximately $ 261 million , drove the increase in cash used in investing activities compared to 2013 . significant investments also were made for new locomotives , freight cars and containers , and capacity and commercial facility projects . capital investments in 2014 also included $ 99 million for the early buyout of locomotives and freight cars under long-term operating leases , which we exercised due to favorable economic terms and market conditions . lower capital investments in locomotives and freight cars in 2013 drove the decrease in cash used in investing activities compared to 2012 . included in capital investments in 2012 was $ 75 million for the early buyout of 165 locomotives under long-term operating and capital leases during the first quarter of 2012 , which we exercised due to favorable economic terms and market conditions. .
table: <i>Cash Flows</i><i>Millions</i> <i>2014</i> <i>2013</i> <i>2012</i>
table: Cash provided by operating activities $7,385 $6,823 $6,161
table: Cash used in investing activities (4,249) (3,405) (3,633)
table: Cash used in financing activities (2,982) (3,049) (2,682)
table: Net change in cash and cashequivalents $154 $369 $(154)
question: Analyse this data from a financial earnings document. what was the percentage change in cash provided by operating activities from 2013 to 2014?