Problem: a number is mistakenly divided by 5 instead of being multiplied by 5 . find the percentage change in the result due t this mistake .
Rationale: lets take a number 20 20 / 5 = 4 20 * 5 = 100 diff = 100 - 4 = 96 % answer : a
annotated_formula: multiply(subtract(multiply(5, 5), const_1), divide(const_100, multiply(5, 5)))