Question

what is the percent of change from 85 to 51? 42% increase 40% decrease 42% decrease 40% increase

Explanation:

Step1: Calculate value change

$51 - 85 = -34$

Step2: Find percent change

$\frac{-34}{85} \times 100\% = -40\%$
The negative sign indicates a decrease.

Answer:

40% decrease