What was the % change in interest and dividends income from 2018 to 2019?
{"(In millions) -- Year Ended June 30,": {"2019": 2019, "2018": 2018, "2017": 2017}, "(In millions) -- Interest and dividends income": {"2019": 2762, "2018": 2214, "2017": 1387}, "(In millions) -- Interest expense": {"2019": -2686, "2018": -2733, "2017": -2222}, "(In millions) -- Net recognized gains on investments": {"2019": 648, "2018": 2399, "2017": 2583}, "(In millions) -- Net gains (losses) on derivatives": {"2019": 144, "2018": -187, "2017": -510}, "(In millions) -- Net losses on foreign currency remeasurements": {"2019": -82, "2018": -218, "2017": -111}, "(In millions) -- Other, net": {"2019": -57, "2018": -59, "2017": -251}, "(In millions) -- Total": {"2019": 729, "2018": 1416, "2017": 876}}
interest_2019 = df["(In millions) -- Interest and dividends income"]["2019"]
interest_2018 = df["(In millions) -- Interest and dividends income"]["2018"]
answer = (interest_2019 - interest_2018) / interest_2018 * 100.0