What was the percentage change in total trade and other payables between 2018 and 2019?
{"": {"30 June 2019": 0, "30 June 2018": 0}, "Trade payables": {"30 June 2019": 44840, "30 June 2018": 27640}, "Accrued capital expenditure": {"30 June 2019": 5841, "30 June 2018": 1767}, "Accrued expenses": {"30 June 2019": 2848, "30 June 2018": 2114}, "Other creditors": {"30 June 2019": 3117, "30 June 2018": 2888}, "Total trade and other payables": {"30 June 2019": 56646, "30 June 2018": 34409}}
total_trade_2019 = df["Total trade and other payables"]["30 June 2019"]
total_trade_2018 = df["Total trade and other payables"]["30 June 2018"]
answer = (total_trade_2019 - total_trade_2018) / total_trade_2018 * 100.0