cash flows from operations .

fiscal year 2018: net earnings including earnings attributable to redeemable and noncontrollinginterests: 2163
depreciation and amortization: 618.8
after-taxearnings from joint ventures: -84.7
distributions of earnings from joint ventures: 113.2
stock-based compensation: 77
deferred income taxes: -504.3
pension and other postretirement benefit plan contributions: -31.8
pension and other postretirement benefit plan costs: 4.6
divestitures loss ( gain ): -
restructuring impairment and other exit costs: 126
changes in current assets and liabilities excluding the effects of acquisitions anddivestitures: 542.1
other net: -182.9
net cash provided by operating activities: 2841
fiscal year 2017: net earnings including earnings attributable to redeemable and noncontrollinginterests: 1701.1
depreciation and amortization: 603.6
after-taxearnings from joint ventures: -85
distributions of earnings from joint ventures: 75.6
stock-based compensation: 95.7
deferred income taxes: 183.9
pension and other postretirement benefit plan contributions: -45.4
pension and other postretirement benefit plan costs: 35.7
divestitures loss ( gain ): 13.5
restructuring impairment and other exit costs: 117
changes in current assets and liabilities excluding the effects of acquisitions anddivestitures: -194.2
other net: -86.3
net cash provided by operating activities: 2415.2
fiscal year 2016: net earnings including earnings attributable to redeemable and noncontrollinginterests: 1736.8
depreciation and amortization: 608.1
after-taxearnings from joint ventures: -88.4
distributions of earnings from joint ventures: 75.1
stock-based compensation: 89.8
deferred income taxes: 120.6
pension and other postretirement benefit plan contributions: -47.8
pension and other postretirement benefit plan costs: 118.1
divestitures loss ( gain ): -148.2
restructuring impairment and other exit costs: 107.2
changes in current assets and liabilities excluding the effects of acquisitions anddivestitures: 298.5
other net: -105.6
net cash provided by operating activities: 2764.2

in fiscal 2018 , cash provided by operations was $ 2.8 billion compared to $ 2.4 billion in fiscal 2017 . the $ 426 million increase was primarily driven by the $ 462 million increase in net earnings and the $ 736 million change in current assets and liabilities , partially offset by a $ 688 million change in deferred income taxes . the change in deferred income taxes was primarily related to the $ 638 million provisional benefit from revaluing our net u.s . deferred tax liabilities to reflect the new u.s . corporate tax rate as a result of the tcja . the $ 736 million change in current assets and liabilities was primarily due to changes in accounts payable of $ 476 million related to the extension of payment terms and timing of payments , and $ 264 million of changes in other current liabilities primarily driven by changes in income taxes payable , trade and advertising accruals , and incentive accruals . we strive to grow core working capital at or below the rate of growth in our net sales . for fiscal 2018 , core working capital decreased 27 percent , compared to a net sales increase of 1 percent . in fiscal 2017 , core working capital increased 9 percent , compared to a net sales decline of 6 percent , and in fiscal 2016 , core working capital decreased 41 percent , compared to net sales decline of 6 percent . in fiscal 2017 , our operations generated $ 2.4 billion of cash , compared to $ 2.8 billion in fiscal 2016 . the $ 349 million decrease was primarily driven by a $ 493 million change in current assets and liabilities . the $ 493 million change in current assets and liabilities was primarily due to changes in other current liabilities driven by changes in income taxes payable , a decrease in incentive accruals , and changes in trade and advertising accruals due to reduced spending . the change in current assets and liabilities was also impacted by the timing of accounts payable . additionally , we recorded a $ 14 million loss on a divestiture during fiscal 2017 , compared to a $ 148 million net gain on divestitures during fiscal 2016 , and classified the related cash flows as investing activities. .

Questions:
what was the total cash provided by operations in 2018, in billions?
and what was it in 2017, also in billions?
what was, then, in billions, the change in cash provided by operations over the year?
what was the total cash provided by operations in 2017, in billions?
and how much does that change represent, in percentage, in relation to this 2017 total?

Answers:
2.8
2.4
0.4
2.4
16.7%