-16.73% is the change from 825 to 687
Calculation steps:
[( 687 - 825 ) ÷ 825] x 100 = -16.73%
Formula
Percentage change = [(687 - 825) / 825] x 100
Subtract the new number by the original number
687 - 825 = -138
-138 ÷ 825 = -0.16727272727272727
-0.16727272727272727 x 100 = -16.73%