Answer
Percentage change in real GDP is (400-200)/200x100= 100%. The percentage change in nominal GDP was (600-200)/200x100 =200%. The GDP deflator percentage change was (150-100)/100x100=50%
Work Step by Step
To do this question first you must utilize the formulas then calculate each value and convert to percent by multiplying by 100. You have done this correct if the nominal GDP is greater than the real GDP.