Question

what is 78% of 112?..

Answer 1

Multiply 112 by 0.78 to find 78% of the original number. 112*0.78=87.36

Answer 2

To find what percent of number x is number y, you should divide number x by number y. Then multiply your result by 100 and this will give you the percentage. Your formula should look like x/y * 100. 
so
78% of 112 = 87.36