While I think seeing a reptile vet experienced in the area of reptiles and parasites would be wise of you, if you insist on doing it yourself, then I, nor anyone else on this forum offering a suggestion should be held responsible for any complications. The chameleon needs to be absolutely hydrated before the dose is given. A good hour or two in a morning shower on a tree should insure this.
By my calculation, you should be giving 0.06 CCs of 100% strength Panacur on Day one, then repeating the dose again on day 7. You will have to calculate that out with your current strength of your mix. Some recommend to repeat a third time 10-14 days after the second dose is administered. The parasites have life stages that are not all affected by Panacur equally, so it is essential to clear out the system in intervals that would disrupt the parasites transformation and reproduction.
It can't all be done in rapid doses because when too great a quantity of parasites die off, or try to exit the host body, they can cause blockages or rot inside them. Picture a big toxic rotting ball of worms inside the chameleons gut.