Sandbox

$ASAGDPCUMCH{G}_{\gamma }=\frac{GD{P}_{\gamma }^t-GD{P}_{\gamma }^{t-1}}{GD{P}_{\gamma }^{t-1}}*100$

$ASAPOPCUMCH{G}_{\gamma }=\frac{PO{P}_{\gamma }^t-PO{P}_{\gamma }^{t-1}}{PO{P}_{\gamma }^{t-1}}*100$

<math>ASALABCUMCHG_{\gamma}=LAB^t_{\gamma}-LAB^{t-1}_{\gamma}}{LAB^{t-1}_{\gamma}}*100