-94.16% is the change from 873 to 51
Calculation steps:
[( 51 - 873 ) ÷ 873] x 100 = -94.16%
Formula
Percentage change = [(51 - 873) / 873] x 100
Subtract the new number by the original number
51 - 873 = -822
-822 ÷ 873 = -0.9415807560137457
-0.9415807560137457 x 100 = -94.16%