Who is asking: Parent
Level of the question: All
Question: what is the percent change if a person's weight changed over 3 years:
year 1995 1997 1998 %change(1995-1998)
weight 63kg 67kg 73kg .........
Percentage change is the change, written as a percentage of where you started. The starting weight was 63kg and the change in the period from 1995 to 1998 was
73 - 63 = 10kg and hence the percentage change is