Final answer:
The percent of decrease from 2 to 1.4 is 30%.
Step-by-step explanation:
To find the percent of decrease from 2 to 1.4, you can use the following formula:
Percent Decrease = (Initial Value - Final Value) / Initial Value x 100%
Substituting the values:
Percent Decrease = (2 - 1.4) / 2 x 100%
Percent Decrease = 0.6 / 2 x 100%
Percent Decrease = 0.3 x 100%
Percent Decrease = 30%