A good graphic organizer to use is a Venn Diagram. Venn Diagram uses circles that intersect to show similarities and differences. 
Similarities are placed in the area where the circles intersect and differences is then placed in the outer circles. 
        
             
        
        
        
Answer:
Explanation:
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I would say that it hasn't increased 20% because 1. if the starting percentage was 18%, you would see a larger precentage but that isn't the case.