To loose 90% from the maximum value is a very bad results. People lost a lot of money during 2018 especially crypto hodlers.
Everything is relative. 90% is a pretty good result in 2018 for most cryptocurrencies

. It is only 10 times cheaper from the high. You can check the CMC. A lot of coins fell by 20-50 times (95-98%) and more.
A lot of coins now costs nothing. Now there are 2200 different coins and tokens according coinmarketcap and a lot of this coins do not have any practical idea and usage.