"Existing homes near Alibaba Group Holding Ltd.’s headquarters in Hangzhou have dropped about 25% from late 2021 highs, according to local agents."

"Even as of March, before a fresh slowdown, more than half of tier-2 and tier-3 cities saw existing-home prices fall more than 15% from peaks,"

"residential housing prices in tier 3 cities dropped by nearly 20%."

EDIT: Again, to get the real numbers, you need to have access to Chinese real estate agents. And these folks aren't going to be posting articles for everyone to read. Or if they post a video in anger, it will get taken down.