Well in forex you can have a micro account, a mini account, and a standard full size account.
Too little info - can't be done.
Percentage of fackin' what?
500x1 means $1000 deposit controls $500,000 of units of a particular currency. Then what?
A 1% captured move would be 5x on the $1k deployed capital.
or
Account liquidated when it moves 0.2% against you.