What was the percentage change in total capital in 2019 from 2018?
{"": {"2019": "\u00a3m", "(Restated) 2018": "\u00a3m"}, "Total net debt": {"2019": 321.0, "(Restated) 2018": 355.2}, "Total equity": {"2019": 59.0, "(Restated) 2018": 5.6}, "Total capital": {"2019": 380.0, "(Restated) 2018": 360.8}}
total_capital_2019 = df["Total capital"]["2019"]
total_capital_2018 = df["Total capital"]["(Restated) 2018"]
answer = (total_capital_2019 - total_capital_2018) / total_capital_2018 * 100.0