-93.83% is the change from 826 to 51
Calculation steps:
[( 51 - 826 ) ÷ 826] x 100 = -93.83%
Formula
Percentage change = [(51 - 826) / 826] x 100
Subtract the new number by the original number
51 - 826 = -775
-775 ÷ 826 = -0.9382566585956417
-0.9382566585956417 x 100 = -93.83%