-18.36% is the change from 828 to 676
Calculation steps:
[( 676 - 828 ) ÷ 828] x 100 = -18.36%
Formula
Percentage change = [(676 - 828) / 828] x 100
Subtract the new number by the original number
676 - 828 = -152
-152 ÷ 828 = -0.18357487922705315
-0.18357487922705315 x 100 = -18.36%