Answer:
Percentage increase in member from September to October = 50%
Explanation:
Number of members in September = 16
Number of members in October = 24
Increase in number of members from September to October = 24-16=8
Percentage increase from September to October = (Increase in number of members from September to October × 100) ÷ Number of members in September
= (8 × 100)÷16=50%
Hence percentage increase in member from September to October = 50%