flash (macromedia): Just wondering if any one could send me some code so I can have preloder countdown the percent loaded not count up?

google preloader flash tutorial
take the chunk of code
swap plusses with minusses and invert the order of x...

i think it's pretty much this...

ok tryed that but I get "NaN" were the percent is spoused to be?? hears the
code I have>

stop();

this.onEnterFrame = function() {
percent = int(getBytesLoaded()/getBytesTotal()*100)-"%";
if (getBytesLoaded() == getBytesTotal()) {
delete this.onEnterFrame;
gotoAndPlay("enter");
}
}