-57.73% is the change from 828 to 350
Calculation steps:
[( 350 - 828 ) ÷ 828] x 100 = -57.73%
Formula
Percentage change = [(350 - 828) / 828] x 100
Subtract the new number by the original number
350 - 828 = -478
-478 ÷ 828 = -0.5772946859903382
-0.5772946859903382 x 100 = -57.73%