-93.83% is the change from 827 to 51
Calculation steps:
[( 51 - 827 ) ÷ 827] x 100 = -93.83%
Formula
Percentage change = [(51 - 827) / 827] x 100
Subtract the new number by the original number
51 - 827 = -776
-776 ÷ 827 = -0.9383313180169287
-0.9383313180169287 x 100 = -93.83%