Before:
IndexNameIndexIDIndexTypePartitionNoNumRowsInTypeNumPagesTotKBsUsedKBsDataKBs
Pk__Key1CLUSTERED11770892LOB_DATA845812936766503446765902800
Pk__Key1CLUSTERED11770892IN_ROW_DATA19946159568159448157520
Pk__Key1CLUSTERED11770892ROW_OVERFLOW_DATA0000
DK_2NONCLUSTERED11770892IN_ROW_DATA5834466724655244912
And after:
Pk__Key1CLUSTERED11770892LOB_DATA845812936766503446765902800
Pk__Key1CLUSTERED11770892IN_ROW_DATA19946159568159448157520
Pk__Key1CLUSTERED11770892ROW_OVERFLOW_DATA0000
DK_2NONCLUSTERED11770892IN_ROW_DATA5834466724655244912
And after the index rebuild:
Pk__Key1CLUSTERED11770892IN_ROW_DATA10915873208727286392
DK_2NONCLUSTERED11770892IN_ROW_DATA2546203682031220240