You can check your reschedule policy by following this step:
1. Go to your Traveloka App homepage and tap My Booking.
2. Choose the flight you want to reschedule
3. Under the Manage Booking section, tap Reschedule
4. Tap Policy to read the Traveloka Easy Reschedule policy
Please note that total reschedule fee is based new flight fare, airline fee, traveloka reschedule fee, dan coupon deduction from original booking