-63.76% is the change from 665 to 241
Calculation steps:
[( 241 - 665 ) ÷ 665] x 100 = -63.76%
Formula
Percentage change = [(241 - 665) / 665] x 100
Subtract the new number by the original number
241 - 665 = -424
-424 ÷ 665 = -0.637593984962406
-0.637593984962406 x 100 = -63.76%