如何在同一DataFrame中绘制3个矢量的百分比变化？

import pandas as pd
import matplotlib.pyplot as plt

df = pd.DataFrame({'Vector1': [10, 20, 30, 40, 50],
                   'Vector2': [5, 15, 25, 35, 45],
                   'Vector3': [8, 12, 16, 20, 24]})

df_pct_change = df.pct_change() * 100

df_pct_change.plot()
plt.xlabel('Index')
plt.ylabel('Percentage Change')
plt.title('Percentage Change of Vectors')
plt.legend()
plt.show()