Answer:
Decreased by 20%.
16 lbs is 80% of 20 lbs.
Step-by-step explanation:
[tex]\frac{y}{100} :\frac{16}{20}[/tex]
y × 20 = 16 × 100
20y = 1600
20y ÷ 20 = 1600 ÷ 20
y = 80
100% - 80% = 20%
