What is the increase / (decrease) in Average capital employed from 2018 to 2019?
{"Net income": {"2019": 5648, "2018": 6120}, "Less: Other interest expenses / income, net 1": {"2019": -529, "2018": -482}, "Plus: SFS Other interest expenses / income": {"2019": 763, "2018": 721}, "Plus: Net interest expenses related to provisions for pensions and similar -- obligations": {"2019": 148, "2018": 164}, "Less: Interest adjustments -- (discontinued operations)": {"2019": "\u2013", "2018": "\u2013"}, "Less: Taxes on interest adjustments -- (tax rate (flat) 30%)": {"2019": -115, "2018": -121}, "Less: Taxes on interest adjustments -- (I) Income before interest after tax": {"2019": 5916, "2018": 6401}, "Less: Taxes on interest adjustments -- (II) Average capital employed": {"2019": 53459, "2018": 50715}, "Less: Taxes on interest adjustments -- (I) / (II) ROCE": {"2019": 11.1, "2018": 12.6}}
average_capital_employed_2019 = df["Less: Taxes on interest adjustments -- (II) Average capital employed"]["2019"]
average_capital_employed_2018 = df["Less: Taxes on interest adjustments -- (II) Average capital employed"]["2018"]
answer = average_capital_employed_2019 - average_capital_employed_2018