-33.63% is the change from 663 to 440
Calculation steps:
[( 440 - 663 ) ÷ 663] x 100 = -33.63%
Formula
Percentage change = [(440 - 663) / 663] x 100
Subtract the new number by the original number
440 - 663 = -223
-223 ÷ 663 = -0.33634992458521873
-0.33634992458521873 x 100 = -33.63%