Verified Answer :

Multiply the number by 0.8. In this instance, 0.8 x 85 = 68. Therefore, 80 percent of 85 is equal to 68.

Hope I helped:)

a percent is changed into a decimalĀ 
u move the decimalĀ 2 spaces to the left of the percent and remove the percent sign
then u multiply both number to find its numberĀ 
.85 times 80 = 68
so 85% of 80 is 68