Clarify error explanation in percentage-change exercise

Author: shafiekwalker7861

Sprint-1/3-mandatory-interpret/1-percentage-change.js

@@ -18,7 +18,9 @@ console.log(`The percentage change is ${percentageChange}`);
 // Line 10 calls console.log().
 
 // b) Run the code and identify the line where the error is coming from - why is this error occurring? How can you fix this problem?
-// I changed the value from a string to a number by wrapping the replaceAll() result in Number().
+// The error was on line 5.
+// After using replaceAll(), priceAfterOneYear was still a string instead of a number.
+// I fixed it by wrapping the result in Number(), so it was converted to a number before doing the calculation.
 
 // c) Identify all the lines that are variable reassignment statements
 // Lines 4 and 5 are variable reassignment statements because its declared on lines 1 and 2.