-58.45% is the change from 828 to 344
Calculation steps:
[( 344 - 828 ) ÷ 828] x 100 = -58.45%
Formula
Percentage change = [(344 - 828) / 828] x 100
Subtract the new number by the original number
344 - 828 = -484
-484 ÷ 828 = -0.5845410628019324
-0.5845410628019324 x 100 = -58.45%