-48.37% is the change from 521 to 269
Calculation steps:
[( 269 - 521 ) ÷ 521] x 100 = -48.37%
Formula
Percentage change = [(269 - 521) / 521] x 100
Subtract the new number by the original number
269 - 521 = -252
-252 ÷ 521 = -0.4836852207293666
-0.4836852207293666 x 100 = -48.37%