-62.69% is the change from 646 to 241
Calculation steps:
[( 241 - 646 ) ÷ 646] x 100 = -62.69%
Formula
Percentage change = [(241 - 646) / 646] x 100
Subtract the new number by the original number
241 - 646 = -405
-405 ÷ 646 = -0.6269349845201239
-0.6269349845201239 x 100 = -62.69%