How do you calculate gross percentage rent?

my landlord stipulates: 4.5% over gross basic rent of $68,000...how do you get the calculation to get to the sales ???How do you calculate gross percentage rent?
What is it, 4.5% over the 1% figure for normal rental rates? We don't get this...redo your question, can you?How do you calculate gross percentage rent?
What's the complete sentence? Gross Basic rent usually means the basic rent plus a utility allowance, but "4.5% over" could mean several things depending on what words are ahead of it. Maybe you get 4.5% of the total, minus 68K? Or maybe you PAY it? You have to give the whole sentence.



editing: that's still a fragment! The whole sentence please, from capital letter to the period at the end!

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