-93.06% is the change from 663 to 46
Calculation steps:
[( 46 - 663 ) ÷ 663] x 100 = -93.06%
Formula
Percentage change = [(46 - 663) / 663] x 100
Subtract the new number by the original number
46 - 663 = -617
-617 ÷ 663 = -0.9306184012066365
-0.9306184012066365 x 100 = -93.06%