-52.93% is the change from 512 to 241
Calculation steps:
[( 241 - 512 ) ÷ 512] x 100 = -52.93%
Formula
Percentage change = [(241 - 512) / 512] x 100
Subtract the new number by the original number
241 - 512 = -271
-271 ÷ 512 = -0.529296875
-0.529296875 x 100 = -52.93%