-51.51% is the change from 497 to 241
Calculation steps:
[( 241 - 497 ) ÷ 497] x 100 = -51.51%
Formula
Percentage change = [(241 - 497) / 497] x 100
Subtract the new number by the original number
241 - 497 = -256
-256 ÷ 497 = -0.5150905432595574
-0.5150905432595574 x 100 = -51.51%