According to the Token Unlocks dashboard, just over a million ETH has been withdrawn from the Beacon Chain following the Shapella upgrade on April 12. However, the staking balance has not decreased by one million because 370,000 were deposited in the same period. Therefore, the current staking balance has declined by 640,000 ETH, according to Token Unlocks. This suggests that some of the unstaked ETH are going back into liquid staking platforms such as Lido.