(In millions)
Year Ended June 30,
2019
2018
2017
Interest and dividends income
$    2,762
$    2,214
$   1,387
Interest expense
(2,686)
(2,733)
(2,222)
Net recognized gains on investments
648
2,399
2,583
Net gains (losses) on derivatives
144
(187)
(510)
Net losses on foreign currency remeasurements
(82)
(218)
(111)
Other, net
(57)
(59)
(251)
Total
$  729
$ 1,416
$  876

text: OTHER INCOME (EXPENSE), NET
text: The components of other income (expense), net were as follows:
text: We use derivative instruments to: manage risks related to foreign currencies, equity prices, interest rates, and credit; enhance investment returns; and facilitate portfolio diversification. Gains and losses from changes in fair values of derivatives that are not designated as hedging instruments are primarily recognized in other income (expense), net.
text: Fiscal Year 2019 Compared with Fiscal Year 2018 Interest and dividends income increased primarily due to higher yields on fixed-income securities. Interest expense decreased primarily driven by a decrease in outstanding long-term debt due to debt maturities, offset in part by higher finance lease expense. Net recognized gains on investments decreased primarily due to lower gains on sales of equity investments. Net gains on derivatives includes gains on foreign exchange and interest rate derivatives in the current period as compared to losses in the prior period.
text: Fiscal Year 2018 Compared with Fiscal Year 2017 Dividends and interest income increased primarily due to higher average portfolio balances and yields on fixed-income securities. Interest expense increased primarily due to higher average outstanding long-term debt and higher finance lease expense. Net recognized gains on investments decreased primarily due to higher losses on sales of fixed-income securities, offset in part by higher gains on sales of equity securities. Net losses on derivatives decreased primarily due to lower losses on equity, foreign exchange, and commodity derivatives, offset in part by losses on interest rate derivatives in the current period as compared to gains in the prior period.

Questions:
question: What does the company use derivative instruments for?
answer: manage risks related to foreign currencies, equity prices, interest rates, and credit; enhance investment returns; and facilitate portfolio diversification.
question: Why did interest and dividends income change from 2018 to 2019?
answer: Interest and dividends income increased primarily due to higher yields on fixed-income securities.
question: Why did interest and dividends income increase from $1,387 million in 2017 to $2,214 million in 2018?
answer: Dividends and interest income increased primarily due to higher average portfolio balances and yields on fixed-income securities.
question: What is the average interest and dividend income for the 3 year period from 2017 to 2019?
answer: 2121
derivation: (2,762+2,214+1,387)/3
scale: million
question: What is the average total income from 2017 to 2019?
answer: 1007
derivation: (729+1,416+876)/3
scale: million
question: What was the % change in interest and dividends income from 2018 to 2019?
answer: 24.75
derivation: (2,762-2,214)/2,214
scale: percent