Charge on credit card without consent

AVG Subscription
1

Hello! 
 Avg charged to my credit card 79,99 € for the payment of AVG secure VPN, as agreed. 

I would like to ask, why AVG charged on my credit card 54,99 € without my consent. 

Best Regards

2

Hi Lino.
We'd be glad to clarify this.
I have sent an email requesting more details about the second charge.
Please share those details in a reply to assist you further.