hide percent if text area

src/SubCategory.jsx

@@ -41,7 +41,11 @@ function SubCategory(props) {
             setCoefficient({ id: subCategory.id, coeff: parseInt(e.target.value) });
         else if (e.target.type === "checkbox")
             if (e.target.id === "type") {
-                update = { ...subCategory, type: (e.target.checked ? "text" : "") };
+                update = {
+                    ...subCategory,
+                    coeff: e.target.checked ? 0 : 1,
+                    type: (e.target.checked ? "text" : "")
+                };
                 if (e.target.checked) setCoefficient({ id: subCategory.id, coeff: 0 });
                 else setCoefficient({ id: subCategory.id, coeff: 1 });
 
@@ -69,7 +73,7 @@ function SubCategory(props) {
                         aria-controls="panel1a-content"
                         id="panel1a-header"
                     >
-                        <Typography className={classes.heading}>{subCategory.name}
+                        <Typography className={classes.heading}>{subCategory.name} 
                             {subCategory.coeff !== 0 &&
                                 <>
                                     ({Math.round(subCategory.coeff / props.totalCoeff * 10000) / 100} %)