Exchange rates using the US dollar as the quote currency Time = 1 Time = 2 $\text{USD}/\text{USD}=\left[\frac{1.1023}{1.1023}\right]=1.0000$ $\text{USD}/\text{USD}=\left[\frac{1.0502}{1.0502}\right]=1.0000$ $\text{GBP}/\text{USD}=\left[\frac{1.3667}{1.1023}\right]=1.2399$ $\text{GBP}/\text{USD}=\left[\frac{1.4102}{1.0502}\right]=1.3824$ $\text{EUR}/\text{USD}=\left[\frac{1.1431}{1.1023}\right]=1.0307$ $\text{EUR}/\text{USD}=\left[\frac{1.1316}{1.0502}\right]=1.0775$ $\text{AUD}/\text{USD}=\left[\frac{0.7214}{1.1023}\right]=0.6544$ $\text{AUD}/\text{USD}=\left[\frac{0.7312}{1.0502}\right]=0.6962$ Exchange rate changes using the US dollar as the quote currency $value\text{\hspace{0.17em}}change=\frac{\Delta GBP}{USD}=\left[\frac{1.3824}{1.2399}-1\right]×\frac{100}{1}=8.30%$ $value\text{\hspace{0.17em}}change=\frac{\Delta EUR}{USD}=\left[\frac{1.0775}{1.0307}-1\right]×\frac{100}{1}=3.91%$ $value\text{\hspace{0.17em}}change=\frac{\Delta AUD}{USD}=\left[\frac{0.6962}{0.6544}-1\right]×\frac{100}{1}=6.39%$