Consumption change calculation I want to calculate yearly consumption change according to the following formula: $$C_{t+1}=C_{t}e^{x_{t}}$$ I need to calculate ${x_{t}}$. I have the consumption data $C_{t+1}$ and $C_{t}$.

By definition of logarithms, $x_t=\ln {\dfrac{C_{t+1}}{C_t}}$