Hello Zaman (skygiftworldwide),
As discussed regarding the similar concerns raised by you on another thread as well in the interest of updating the members on this thread, I'd like to reiterate the response given on this thread as well.
We would like to highlight that on one hand where some of our PowerSellers have seen a dip in the feedback percentages, on the other hand we also have some new sellers becoming eligible for the PowerSeller criteria (courtesy: Repeat Feedback Credit for repeat sales & Feedback recency - calculating Feedback Percentages for only last 12 months).
Regards,
Indraneel