What is the value of Wister Walcott's cash severance as a percentage of Chris Lien's under termination after Change of Control?
{"Termination after Change of Control: -- Cash Severance(1)": {"Chris Lien": 1200000, "Wister Walcott": 450000, "Robert Bertz": 254063}, "Termination after Change of Control: -- Post-termination COBRA Reimbursement(2)": {"Chris Lien": 48160, "Wister Walcott": "\u2014", "Robert Bertz": 11098}, "Termination after Change of Control: -- Acceleration of Stock Options and RSUs(3)": {"Chris Lien": "\u2014", "Wister Walcott": 108675, "Robert Bertz": 55200}, "Termination after Change of Control: -- Total": {"Chris Lien": 1248160, "Wister Walcott": 558675, "Robert Bertz": 320361}, "Termination not in connection with Change of Control: -- Cash Severance(4)": {"Chris Lien": 600000, "Wister Walcott": 225000, "Robert Bertz": 103125}, "Termination not in connection with Change of Control: -- Post-termination COBRA Reimbursement(5)": {"Chris Lien": 24080, "Wister Walcott": "\u2014", "Robert Bertz": 5549}, "Termination not in connection with Change of Control: -- Total": {"Chris Lien": 624080, "Wister Walcott": 225000, "Robert Bertz": 108674}}
wister_walcott = df["Termination after Change of Control: -- Cash Severance(1)"]["Wister Walcott"]
chris_lien = df["Termination after Change of Control: -- Cash Severance(1)"]["Chris Lien"]
answer = wister_walcott / chris_lien * 100.0