We have 5 services running in GKE Standard cluster when i see pods history of 30days

Here is the breakdown
Service 1

Memory --> limits = 11.4GB
           Request = 5.7GB
           Used = 1.2GB

CPU -->    limits = 12
           Request = 6
           Used = 0.2

enter image description here
Here is what i defined in YAML file

         resources:
          requests: # Minimum amount of resources requested
             cpu: 200m
             memory: 512M
          limits: # Maximum amount of resources requested
             cpu: 500m
             memory: 1024M

Can u tell me how i can excalt match above GKE cluster showing in dashboard with my resources

please tell me how and what should i give resource usage based on above given

Im new to DevOps and GKE