-17.82% is the change from 825 to 678
Calculation steps:
[( 678 - 825 ) ÷ 825] x 100 = -17.82%
Formula
Percentage change = [(678 - 825) / 825] x 100
Subtract the new number by the original number
678 - 825 = -147
-147 ÷ 825 = -0.1781818181818182
-0.1781818181818182 x 100 = -17.82%