The number 89 is decreased to 64. What is the percentage by which the number was decreased, to the nearest tenth of a percent?

Answer: 28.9%

Step-by-step explanation:

Calculate percentage change

from V1 = 89 to V2 = 64

(V2-V1) |V1|*100

= (64-89) |89|*100

=-2589*100

=-0.280899*100

=-28.0899%change

=28.0899%decrease

or about 28.9%