https://www.altaro.com/hyper-v/shrink-hyper-v-virtual-disk-vhd-vhdx/

PS C:\Windows\system32> Get-VHD "D:\Hyper-V\Virtual Hard Disks\Test-Restore.vhdx"
 
 
ComputerName            : J-M710Q-H1
Path                    : D:\Hyper-V\Virtual Hard Disks\Test-Restore.vhdx
VhdFormat               : VHDX
VhdType                 : Dynamic
FileSize                : 23089643520
Size                    : 549755813888
MinimumSize             : 50491048448
LogicalSectorSize       : 512
PhysicalSectorSize      : 4096
BlockSize               : 33554432
ParentPath              :
DiskIdentifier          : FB1B192A-3FD6-4E2C-AE5F-20395BDA8252
FragmentationPercentage : 0
Alignment               : 1
Attached                : False
DiskNumber              :
IsPMEMCompatible        : False
AddressAbstractionType  : None
Number                  :
 
 
 
PS C:\Windows\system32> Resize-VHD -Path "D:\Hyper-V\Virtual Hard Disks\Test-Restore.vhdx" -ToMinimumSize