-3.15% is the change from 825 to 799
Calculation steps:
[( 799 - 825 ) ÷ 825] x 100 = -3.15%
Formula
Percentage change = [(799 - 825) / 825] x 100
Subtract the new number by the original number
799 - 825 = -26
-26 ÷ 825 = -0.03151515151515152
-0.03151515151515152 x 100 = -3.15%