percentange change of exchange rate

heloo sir!
can you please assist on determining percentage change on exchange rate basing on information given below?

The exchange rate between the Ceeland Dollar (C$) and the Veeland Dollar (V$) is predicted to change at the
beginning of Q2 to C$1·00 buys V$1·50. For several years up to the end of Q1, C$1·00 has been equivalent to
V$1·40 and this exchange rate has been used when producing the current year budget.