Ethereum (Gwei) Withdrawal is lower than expected.
Gwei and ethereum are converted differently compared to satoshi and bitcoin. Gwei has 1 more decimal point. For example : 1,000,000,000 Gwei is 1 Ethereum, while 100,000,000 Satoshi is 1 BTC. You may use an online converter to check your gwei to ethereum conversion which you have received upon withdrawal. Like : http://eth-converter.com/