-74.15% is the change from 828 to 214
Calculation steps:
[( 214 - 828 ) ÷ 828] x 100 = -74.15%
Formula
Percentage change = [(214 - 828) / 828] x 100
Subtract the new number by the original number
214 - 828 = -614
-614 ÷ 828 = -0.7415458937198067
-0.7415458937198067 x 100 = -74.15%