Metrics displays your survey response rates and allows you to compare the number of times your survey has been viewed in comparison to the response and comment rates.
The first bar tells you about the total number of views, the second one is about the total number of responses and the third one is about the comments. When you select the bar, you will see the detailed information about the responses.
The first percentage value in the middle tells you that 27% of people (147/547) that saw the survey responded to it and then 50% of these people (73/147) that responded - left also the comment:
Solutions to common questions
Q - Why am I seeing "No Data: Still waiting for responses…" error?
A - Please adjust the Time filter (try 'All Time)