refunds

[stat9999]

16 Nov eBay - 攀涛 唐Loading transaction details for eBay - 攀涛 唐 Purchase – Refunded –            negative16,44 $   0,00              $  – negative16,44 $

16 Nov 荣亮 黄Loading transaction details for 荣亮 黄                Refund + 4,60 $  AUD                               0,00              $  AUD + 4,60 $

Above are two different refund statements in my paypal account.

What does it mean when it says purchase refunded with - (negative) amount.

Thank you and appreciate an answer