The numbers are reported by the Russian government. It is plausible that the true numbers are worse, but unlikely that the Russian government would want to intentionally project economic and demographic weakness.
As for sanctions, they were instituted in response to Russian aggression. If Russia had left its neighbours in peace, Western countries and especially Germany would have happily continued liberalising trade.
As for sanctions, they were instituted in response to Russian aggression. If Russia had left its neighbours in peace, Western countries and especially Germany would have happily continued liberalising trade.