GCSE Maths Practice: percentage-change

\( \begin{array}{l}\text{A coat was £80 and is now £60.} \\ \text{What is the percentage decrease?}\end{array} \)

Choose one option:

\( \text{20%} \) \( \text{15%} \) \( \text{30%} \) \( \text{25%} \)