fix progress estimation algorithm, show two decimals of progress
fix progress estimation algorithm, show two decimals of progress

NebulousLabs/New-Sia-UI,NebulousLabs/Sia-UI,NebulousLabs/New-Sia-UI,NebulousLabs/Sia-UI,NebulousLabs/New-Sia-UI,NebulousLabs/Sia-UI