## Algebra 1

$\approx 33\%$ decrease
Change in value: $=\text{new amount} - \text{original amount} \\= 6-9 \\= -3$ There was a decrease. Percent Change: $=\dfrac{\text{change in value}}{\text{original amount}} \\=\dfrac{-3}{9} \\\approx -0.33 \\\approx -33\%$ There was a decrease of around $33\%$.