What is the percentage change in the growth of exports of company Y in 1999 over that of company Z in 1999?
This is a change in percentage change question.
Growth of exports in 1999 for company Y = (140−100100) × 100 = 40%
Growth of exports in 1999 for company Z = (100−8080) × 100 = 25%
Percentage change = (40−2525) × 100 = 60%