-24% is the change from 825 to 627
Calculation steps:
[( 627 - 825 ) ÷ 825] x 100 = -24%
Formula
Percentage change = [(627 - 825) / 825] x 100
Subtract the new number by the original number
627 - 825 = -198
-198 ÷ 825 = -0.24
-0.24 x 100 = -24%
Example