This is a difficult problem.
It’s easy to say start a new party and incredibly difficult to muster the resources to mount a successful POTUS independent campaign.
My rough estimate is that Trump would need to double the Perot vote AND pull 5% from the Dem side to pull it off.
Obviously the state-by-state analysis is a lot more complex.
Perot was never elected to any office and never had a base of 74 million people to work with. Nor did he ever have the charisma or have tens of thousands show up consistently for rallies.