-93.82% is the change from 825 to 51
Calculation steps:
[( 51 - 825 ) ÷ 825] x 100 = -93.82%
Formula
Percentage change = [(51 - 825) / 825] x 100
Subtract the new number by the original number
51 - 825 = -774
-774 ÷ 825 = -0.9381818181818182
-0.9381818181818182 x 100 = -93.82%