Find the percent of decrease from 340 to 150. Round to the nearest tenth of a percent, if necessary.

226.7%

1.3%

55.9%

126.7%

To find the percent of decrease from 340 to 150, follow these steps:

1. Find the difference between the two numbers: 340 - 150 = 190
2. Divide the difference by the original number: 190 / 340 = 0.5588
3. Convert the decimal to a percent by multiplying by 100: 0.5588 x 100 = 55.88%

Therefore, the percent of decrease from 340 to 150 is 55.9%.