What is the percentage decrease in cash provided in financing activities from 2018 to 2019?
{"Net cash provided by (used in) operating activities": {"2019": 174201, "2018": -326809, "2017": 1340677}, "Net cash used in investing activities": {"2019": -362298, "2018": -682714, "2017": -626802}, "Net cash provided by financing activities": {"2019": 74943, "2018": 255228, "2017": 192045}, "Effect of exchange rate changes on cash, cash equivalents and restricted cash.": {"2019": -2959, "2018": -13558, "2017": 8866}, "Net (decrease) increase in cash, cash equivalents and restricted cash": {"2019": -116113, "2018": -767853, "2017": 914786}}
net_cash_2018 = df["Net cash provided by financing activities"]["2018"]
net_cash_2019 = df["Net cash provided by financing activities"]["2019"]
answer = ( net_cash_2018 - net_cash_2019 ) / net_cash_2018 * 100.0