Is that revenue, or profit? If revenue, it'll slam certain kinds of high-volume low-profit businesses, and if it's profit then the company will just arrange to have big compensation "expenses" for executives.
The latter would have to be backstopped by taxes on individual income.
The sane version of this proposal omits the "exponential" part, applies to profits (net income), and makes the tax rate industry-specific (just like Washington State's revenue tax).
The latter would have to be backstopped by taxes on individual income.