If tax is % of revenue (def simplified for corporations) - does it matter if they paid the most if they make the most money? I haven't confined that they have

If tax is % of revenue (def simplified for corporations) - does it matter if they paid the most if they make the most money? I haven't confined that they have the largest revenues, but paying the most is a weak argument in the face of what the governing body decides as what is a "fair" amount to pay. Whether or not this decision is fair is another conversation altogether...