-48.27% is the change from 520 to 269
Calculation steps:
[( 269 - 520 ) ÷ 520] x 100 = -48.27%
Formula
Percentage change = [(269 - 520) / 520] x 100
Subtract the new number by the original number
269 - 520 = -251
-251 ÷ 520 = -0.4826923076923077
-0.4826923076923077 x 100 = -48.27%