A block is attached to an unstretched spring. When it is let go from rest, it bounces up and down for a while, experiencing air resistance as it moves, and then slowly comes to rest $0\mathrm{.}20$ m $($approximately doubling the length of the spring coil$)$ below it$$s starting position. Which statement best describes the change in total potential energy of the block$-$spring$-$Earth system?$$

It decreased$$

It stayed the same$$

Additional information is required$$

It increased$$