GCSE Maths Practice: percentage-change

\( \begin{array}{l} \text{Which answers correctly show the percentage change?} \end{array} \)

Select all correct options:

\( \text{£200 → £250 → 25% increase} \) \( \text{£300 → £270 → 10% decrease} \) \( \text{£100 → £130 → 30% increase} \)