The percent increase in the waiter's tip is 18%
What is percentage increase?
Percentage increase can be described as a change in the percent of a particular product
Original value= $300
New value= 365
The percentage increase can be calculated as follows
= 365-300/365
= 65/365
= 0.18 × 100
= 18%
Hence the percentage increase is 18%
Read more on percentage here
https://brainly.com/question/24024571?referrer=searchResults
#SPJ1