-92.73% is the change from 867 to 63
Calculation steps:
[( 63 - 867 ) ÷ 867] x 100 = -92.73%
Formula
Percentage change = [(63 - 867) / 867] x 100
Subtract the new number by the original number
63 - 867 = -804
-804 ÷ 867 = -0.9273356401384083
-0.9273356401384083 x 100 = -92.73%