-57% is the change from 828 to 356
Calculation steps:
[( 356 - 828 ) ÷ 828] x 100 = -57%
Formula
Percentage change = [(356 - 828) / 828] x 100
Subtract the new number by the original number
356 - 828 = -472
-472 ÷ 828 = -0.5700483091787439
-0.5700483091787439 x 100 = -57%