pre_text: sources and uses of cash ( in millions ) in summary , our cash flows for each period were as follows : years ended ( in millions ) dec 29 , dec 30 , dec 31 .
post_text: md&a consolidated results and analysis 40 .
table: Years Ended(In Millions) Dec 29,2018 Dec 30,2017 Dec 31,2016
table: Net cash provided by operating activities $29,432 $22,110 $21,808
table: Net cash used for investing activities (11,239) (15,762) (25,817)
table: Net cash provided by (used for) financing activities (18,607) (8,475) (5,739)
table: Net increase (decrease) in cash and cash equivalents $(414) $(2,127) $(9,748)
question: Analyse this data from a financial earnings document. what was the percentage change in net cash provided by operating activities between 2016 and 2017?