-85.82% is the change from 663 to 94
Calculation steps:
[( 94 - 663 ) ÷ 663] x 100 = -85.82%
Formula
Percentage change = [(94 - 663) / 663] x 100
Subtract the new number by the original number
94 - 663 = -569
-569 ÷ 663 = -0.8582202111613876
-0.8582202111613876 x 100 = -85.82%