diff --git a/src/utils/format/number.ts b/src/utils/format/number.ts
index 4a6004ad5..e1c71567b 100644
--- a/src/utils/format/number.ts
+++ b/src/utils/format/number.ts
@@ -4,12 +4,16 @@ export function range(num: number, min: number, max: number): number {
 
 function trimExtraChar(value: string, char: string, regExp: RegExp) {
   const index = value.indexOf(char);
-
-  if (index > -1) {
-    return value.slice(0, index + 1) + value.slice(index).replace(regExp, '');
+  
+  if (index === -1) {
+  	return value;
   }
 
-  return value;
+  if (char === '-' && index !== 0) {
+  	return value.slice(0, index);
+  }
+
+  return value.slice(0, index + 1) + value.slice(index).replace(regExp, '');
 }
 
 export function formatNumber(value: string, allowDot?: boolean) {
diff --git a/src/utils/test/index.spec.js b/src/utils/test/index.spec.js
index 8ce27efbe..281c07dc9 100644
--- a/src/utils/test/index.spec.js
+++ b/src/utils/test/index.spec.js
@@ -113,4 +113,5 @@ test('formatNumber', () => {
   expect(formatNumber('-1.2')).toEqual('-1');
   expect(formatNumber('-1.2', true)).toEqual('-1.2');
   expect(formatNumber('-1.2-', true)).toEqual('-1.2');
+  expect(formatNumber('123-')).toEqual('123');
 });