What is the change in Non-cash adjustments to net (loss) income between 2019 and 2017?
{"Net (loss) income": {"2019": -182602, "2018": 407807, "2017": -154175, "2019 $ Change from 2018": -590409, "2018 $ Change from 2017": 561982}, "Less: Loss from discontinued operations": {"2019": 0, "2018": 395138, "2017": 30348, "2019 $ Change from 2018": -395138, "2018 $ Change from 2017": 364790}, "(Loss) income from continuing operations": {"2019": -182602, "2018": 12669, "2017": -184523, "2019 $ Change from 2018": -195271, "2018 $ Change from 2017": 197192}, "Non-cash adjustments to net (loss) income": {"2019": 277217, "2018": 136651, "2017": 351835, "2019 $ Change from 2018": 140566, "2018 $ Change from 2017": -215184}, "Cash impact of changes in operating assets and liabilities": {"2019": -18361, "2018": -60086, "2017": 57746, "2019 $ Change from 2018": 41725, "2018 $ Change from 2017": -117832}, "Net cash provided by operating activities - continuing operations": {"2019": 76254, "2018": 89234, "2017": 225058, "2019 $ Change from 2018": -12980, "2018 $ Change from 2017": -135824}, "Net cash (used in) provided by operating activities - discontinued operations": {"2019": -30000, "2018": -21343, "2017": 54357, "2019 $ Change from 2018": -8657, "2018 $ Change from 2017": -75700}, "Net cash provided by operating activities": {"2019": 46254, "2018": 67891, "2017": 279415, "2019 $ Change from 2018": -21637, "2018 $ Change from 2017": -211524}}
non_cash_adjustment_2019 = df["Non-cash adjustments to net (loss) income"]["2019"]
non_cash_adjustment_2017 = df["Non-cash adjustments to net (loss) income"]["2017"]
answer = non_cash_adjustment_2019 - non_cash_adjustment_2017