-41.82% is the change from 660 to 384
Calculation steps:
[( 384 - 660 ) ÷ 660] x 100 = -41.82%
Formula
Percentage change = [(384 - 660) / 660] x 100
Subtract the new number by the original number
384 - 660 = -276
-276 ÷ 660 = -0.41818181818181815
-0.41818181818181815 x 100 = -41.82%