Sony is increasing the price of their PlayStation Plus service in Europe and the United Kingdom by 20% and 25% respectively. While the monetary change is relatively minor, the significant change in percentage will have surprised users of the service. Sony haven't commented on the reasons for these changes.
https://www.notebookcheck.net/Sony-announces-20-to-25-increase-in-price-for-Playstation-Plus-in-Europe-and-the-UK.237764.0.html