-52.75% is the change from 510 to 241
Calculation steps:
[( 241 - 510 ) ÷ 510] x 100 = -52.75%
Formula
Percentage change = [(241 - 510) / 510] x 100
Subtract the new number by the original number
241 - 510 = -269
-269 ÷ 510 = -0.5274509803921569
-0.5274509803921569 x 100 = -52.75%