-92.64% is the change from 856 to 63
Calculation steps:
[( 63 - 856 ) ÷ 856] x 100 = -92.64%
Formula
Percentage change = [(63 - 856) / 856] x 100
Subtract the new number by the original number
63 - 856 = -793
-793 ÷ 856 = -0.9264018691588785
-0.9264018691588785 x 100 = -92.64%