-17.51% is the change from 828 to 683
Calculation steps:
[( 683 - 828 ) ÷ 828] x 100 = -17.51%
Formula
Percentage change = [(683 - 828) / 828] x 100
Subtract the new number by the original number
683 - 828 = -145
-145 ÷ 828 = -0.1751207729468599
-0.1751207729468599 x 100 = -17.51%