corporate/other corporate/other includes certain unallocated costs of global staff functions ( including finance , risk , human resources , legal and compliance ) , other corporate expenses and unallocated global operations and technology expenses and income taxes , as well as corporate treasury , certain north america legacy consumer loan portfolios , other legacy assets and discontinued operations ( for additional information on corporate/other , see 201ccitigroup segments 201d above ) .
at december 31 , 2018 , corporate/other had $ 91 billion in assets , an increase of 17% ( 17 % ) from the prior year .
in millions of dollars 2018 2017 2016 % (  % ) change 2018 vs .
2017 % (  % ) change 2017 vs .
2016 .

In millions of dollars
2018
2017
2016
% Change2018 vs. 2017
% Change2017 vs. 2016
Net interest revenue
$2,254
$2,000
$3,045
13%
(34)%
Non-interest revenue
(171)
1,132
2,188
NM
(48)
Total revenues, net of interest expense
$2,083
$3,132
$5,233
(33)%
(40)%
Total operating expenses
$2,272
$3,814
$5,042
(40)%
(24)%
Net credit losses
$21
$149
$435
(86)%
(66)%
Credit reserve build (release)
(218)
(317)
(456)
31
30
Provision (release) for unfunded lending commitments
(3)
—
(8)
—
100
Provision for benefits and claims
(2)
(7)
98
71
NM
Provisions for credit losses and for benefits and claims
$(202)
$(175)
$69
(15)
NM
Income (loss) from continuing operations before taxes
$13
$(507)
$122
NM
NM
Income taxes (benefits)
(113)
19,064
(455)
NM
NM
Income (loss) from continuing operations
$126
$(19,571)
$577
NM
NM
Income (loss) from discontinued operations, net of taxes
(8)
(111)
(58)
93
(91)
Net income (loss) before attribution of noncontrolling interests
$118
$(19,682)
$519
NM
NM
Noncontrolling interests
11
(6)
(2)
NM
NM
Net income (loss)
$107
$(19,676)
$521
NM
NM

nm not meaningful 2018 vs .
2017 net income was $ 107 million in 2018 , compared to a net loss of $ 19.7 billion in the prior year , primarily driven by the $ 19.8 billion one-time , non-cash charge recorded in the tax line in 2017 due to the impact of tax reform .
results in 2018 included the one-time benefit of $ 94 million in the tax line , related to tax reform .
for additional information , see 201csignificant accounting policies and significant estimates 2014income taxes 201d below .
excluding the one-time impact of tax reform in 2018 and 2017 , net income decreased 92% ( 92 % ) , reflecting lower revenues , partially offset by lower expenses , lower cost of credit and tax benefits related to the reorganization of certain non-u.s .
subsidiaries .
the tax benefits were largely offset by the release of a foreign currency translation adjustment ( cta ) from aoci to earnings ( for additional information on the cta release , see note 19 to the consolidated financial statements ) .
revenues decreased 33% ( 33 % ) , driven by the continued wind-down of legacy assets .
expenses decreased 40% ( 40 % ) , primarily driven by the wind-down of legacy assets , lower infrastructure costs and lower legal expenses .
provisions decreased $ 27 million to a net benefit of $ 202 million , primarily due to lower net credit losses , partially offset by a lower net loan loss reserve release .
net credit losses declined 86% ( 86 % ) to $ 21 million , primarily reflecting the impact of ongoing divestiture activity and the continued wind-down of the north america mortgage portfolio .
the net reserve release declined by $ 96 million to $ 221 million , and reflected the continued wind-down of the legacy north america mortgage portfolio and divestitures .
2017 vs .
2016 the net loss was $ 19.7 billion , compared to net income of $ 521 million in the prior year , primarily driven by the one-time impact of tax reform .
excluding the one-time impact of tax reform , net income declined 69% ( 69 % ) to $ 168 million , reflecting lower revenues , partially offset by lower expenses and lower cost of credit .
revenues declined 40% ( 40 % ) , primarily reflecting the continued wind-down of legacy assets and the absence of gains related to debt buybacks in 2016 .
revenues included approximately $ 750 million in gains on asset sales in the first quarter of 2017 , which more than offset a roughly $ 300 million charge related to the exit of citi 2019s u.s .
mortgage servicing operations in the quarter .
expenses declined 24% ( 24 % ) , reflecting the wind-down of legacy assets and lower legal expenses , partially offset by approximately $ 100 million in episodic expenses primarily related to the exit of the u.s .
mortgage servicing operations .
also included in expenses is an approximately $ 255 million provision for remediation costs related to a card act matter in 2017 .
provisions decreased $ 244 million to a net benefit of $ 175 million , primarily due to lower net credit losses and a lower provision for benefits and claims , partially offset by a lower net loan loss reserve release .
net credit losses declined 66% ( 66 % ) , primarily reflecting the impact of ongoing divestiture activity and the continued wind-down of the north america mortgage portfolio .
the decline in the provision for benefits and claims was primarily due to lower insurance activity .
the net reserve release declined $ 147 million , and reflected the continued wind-down of the legacy north america mortgage portfolio and divestitures. .

Question: Analyse this data from a financial earnings document. what was the percentage change in total operating expenses between 2016 and 2018?
Choices:
-0.54939
5041.45061
0.01666
-0.52933
-0.58727
Correct choice index: 0