-94.12% is the change from 867 to 51
Calculation steps:
[( 51 - 867 ) ÷ 867] x 100 = -94.12%
Formula
Percentage change = [(51 - 867) / 867] x 100
Subtract the new number by the original number
51 - 867 = -816
-816 ÷ 867 = -0.9411764705882353
-0.9411764705882353 x 100 = -94.12%