According to the Alpari website relative draw down is the maximum draw down expressed as a percentage of your initial deposit.
But if my initial deposit is 10,000, how can my relative balance draw down be 42.36% (202,437.49)
A relative drawdown of 42.36% would mean that your account was down to $5764 at some point but it’s never been lower than that. It doesn’t matter what your balance is now.