บริษัทใดมีการเติบโตของรายได้สูงสุดจากปี 2021 ถึง 2022?
 Which companies have the highest revenue growth from 2021 to 2022?
revenue_growth_2021_2022 = pd.merge(data_2021[['Company', 'Revenue']], data_2022[['Company', 'Revenue']], on='Company', suffixes=('_2021', '_2022'))
revenue_growth_2021_2022['Revenue Growth'] = (revenue_growth_2021_2022['Revenue_2022'] - revenue_growth_2021_2022['Revenue_2021']) / revenue_growth_2021_2022['Revenue_2021']
highest_revenue_growth_company = revenue_growth_2021_2022[revenue_growth_2021_2022['Revenue Growth'] == revenue_growth_2021_2022['Revenue Growth'].max()]