What was the percentage change in total from 2018 to 2019?
{"Management and administrative services revenue (i)": {"2019": 9645, "2018": 9809, "2017": 7762}, "Ship management fees revenue (ii)": {"2019": 4460, "2018": 5200, "2017": 5903}, "Interest income on short-term loan (iii)": {"2019": -109, "2018": "\u2014", "2017": "\u2014"}, "Charterhire expenses (iv)": {"2019": "\u2014", "2018": "\u2014", "2017": -17423}, "Share options expense recharge (v)": {"2019": "\u2014", "2018": "\u2014", "2017": 228}, "Interest expense on deposits payable (vi)": {"2019": "\u2014", "2018": -4779, "2017": -4622}, "Total": {"2019": 13996, "2018": 10230, "2017": -8152}}
total_2019 = df["Total"]["2019"]
total_2018 = df["Total"]["2018"]
answer = ( total_2019 - total_2018 ) / total_2018 * 100.0