I would work it out the following way.
100/80 * 96 = 120
So answer is 120%

2/3 divide by

**1/8**= 2/3 multiply**8/1**= (2 multiply 8) divide by (3 multiply 1) = 16 divide by 3 =5.33 ( accurate to 2 decimal places) it's very simple just flip the fraction you are dividing by and multiply.