-52.65% is the change from 509 to 241
Calculation steps:
[( 241 - 509 ) ÷ 509] x 100 = -52.65%
Formula
Percentage change = [(241 - 509) / 509] x 100
Subtract the new number by the original number
241 - 509 = -268
-268 ÷ 509 = -0.5265225933202358
-0.5265225933202358 x 100 = -52.65%