Answer:
33.3% decrease
Explanation:
given the original is 180 and the new is 120
Since 120 is less than 180, this is a decrease
decrease = original - new = 180 - 120 = 60
percentage decrease is calculated as
decrease =
× 100%
=
× 100%
= 33.3333.. × 100%
≈ 33.3% ( to the nearest tenth )