-48.87% is the change from 530 to 271
Calculation steps:
[( 271 - 530 ) ÷ 530] x 100 = -48.87%
Formula
Percentage change = [(271 - 530) / 530] x 100
Subtract the new number by the original number
271 - 530 = -259
-259 ÷ 530 = -0.48867924528301887
-0.48867924528301887 x 100 = -48.87%