Answer:
250
Step-by-step explanation:
Following shows the steps on how to derive this formula 
Step 1: If 92% of a number is 230, then what is 100% of that number? Setup the equation. 
 
230 
92% = Y 
100% 
Step 2: Solve for Y 
Using cross multiplication of two fractions, we get 
92Y = 230 x 100 
92Y = 23000 
Y = 23000 
100 = 250 
What is 
230 
% of 
92 
 ? = 250