[zulteh279]

Hi, can i know where are you staying?
Well, what i can tell you is that your plants is NOT acclimatize to their new home yet.It's normal for nep. plants to grow smaller leaf or pitcher after the plants being transplanted/move to a new area or location,its just a sign that show the plants is under a stress.My only advise for you is just to leave the plants at 'that' location (under shade at least 50%) and continue to water the plant as required, depending on your weather/climate condt.Just try to maintain a moist growing media.
A note on your growing media, a mixture of coco peat and perlite itself is sufficient for most nepenthes. I'm not sure about adding bark to the medium, might be great if you want to use the media for growing orchid. But in my opinion, it serves no purpose for nep...