The ratio of nominal GDP to real GDP is known as GDP deflator
∴GDP deflator = \(\frac{Nominal\,GDP}{Real\,GDP}\)
Value of deflator is percentage is
\(\frac{Nominal\,GDP}{Real\,GDP}\) x 100
∴ \(\frac{2800\,Croces}{3200\,Cores}\) = 87.5
GDP deflator is percentage is 87.5 Percent