What was the percentage change in the total long-lived assets between 2018 and 2019?
{"United States": {"2019": 521.1, "2018": 393.3, "2017": 388.5}, "Thailand": {"2019": 209.3, "2018": 215.5, "2017": 178.0}, "Various other countries": {"2019": 266.3, "2018": 159.1, "2017": 116.8}, "Total long-lived assets": {"2019": 996.7, "2018": 767.9, "2017": 683.3}}
total_longlived_assets_2019 = df["Total long-lived assets"]["2019"]
total_longlived_assets_2018 = df["Total long-lived assets"]["2018"]
answer = ( total_longlived_assets_2019 - total_longlived_assets_2018 ) / total_longlived_assets_2018 * 100.0