What was the percentage change in total cash and cash equivalents from 2018 to 2019?
{"Current accounts": {"2018": 220089, "2019": 113655}, "Time deposits (with original maturities of three months or less).": {"2018": 121925, "2019": 149491}, "Ship management client accounts": {"2018": 580, "2019": 601}, "Total": {"2018": 342594, "2019": 263747}}
total_2019 = df["Total"]["2019"]
total_2018 = df["Total"]["2018"]
answer = ( total_2019 - total_2018 ) / total_2018 * 100.0