-57.13% is the change from 828 to 355
Calculation steps:
[( 355 - 828 ) ÷ 828] x 100 = -57.13%
Formula
Percentage change = [(355 - 828) / 828] x 100
Subtract the new number by the original number
355 - 828 = -473
-473 ÷ 828 = -0.571256038647343
-0.571256038647343 x 100 = -57.13%