Principles written in the blood and tears of lost money: *
Starting PositionAmount LostRemainderLoss, %Gain Needed to Recover Loss, %
$1000$80$9208%8.7%
$1000$100$90010%11.1%
$1000$200$80020%25%
$1000$300$70030%42.8%
$1000$400$60040%66.6%%
$1000$500$50050%100%