diff --git a/src/tests/number.test.ts b/src/tests/number.test.ts
index 15c14456..7ff81fd3 100644
--- a/src/tests/number.test.ts
+++ b/src/tests/number.test.ts
@@ -31,9 +31,11 @@ describe('getCurrencyHelpers', () => {
           expect(toUIString(value)).toBe('$1,234');
         });
 
-        it('Should correctly format single digit cent amounts', () => {
-          const value = 7n;
-          expect(toUIString(value)).toBe('$0.07');
+        it.each([
+          [7n, '$0.07'],
+          [-7n, '$0.07'],
+        ])('Should correctly format single digit cent amounts', (value, expected) => {
+          expect(toUIString(value)).toBe(expected);
         });
 
         it.each([
diff --git a/src/utils/numbers.ts b/src/utils/numbers.ts
index b39912e5..13688d74 100644
--- a/src/utils/numbers.ts
+++ b/src/utils/numbers.ts
@@ -150,8 +150,11 @@ export const getCurrencyHelpers = ({
 
     if (typeof value === 'bigint') {
       const sign = value < 0n && signed ? '-' : '';
-      const integer = `${value / decimalMultiplierN}`;
-      const fraction = `${value}`.slice(-decimalDigits).padStart(decimalDigits, '0');
+      const absValue = BigMath.abs(value);
+      const integer = `${absValue / decimalMultiplierN}`;
+      const fraction = `${absValue % decimalMultiplierN}`
+        .slice(-decimalDigits)
+        .padStart(decimalDigits, '0');
       return (
         sign +
         normalizeToMaxLength(