If this is petrol purchase at the pump, then OK.
The RM200 is pre-authorised amount for petrol swipe at the pump... very normal.
You will be charged RM30 once the transaction has been posted

Is a Pre-authorization Amount ($200) will be debited from Your Account during  the fill-up.
the authorization amount will be reversed back when the bank received actual filled-up amount from petrol Station about 2-5 days later...