Find the percent of increase from 260 to 430. Round to the nearest tenth of a percent, if necessary.

39.5%

60.5%

0.7%

65.4%

The percent increase from 260 to 430 is calculated as follows:

Percent Increase = ((New Value - Old Value) / Old Value) * 100
Percent Increase = ((430 - 260) / 260) * 100
Percent Increase = (170 / 260) * 100
Percent Increase ≈ 0.6538 * 100
Percent Increase ≈ 65.4%

Therefore, the percent increase from 260 to 430 is approximately 65.4%. So the answer is 65.4%.