-49.53% is the change from 531 to 268
Calculation steps:
[( 268 - 531 ) ÷ 531] x 100 = -49.53%
Formula
Percentage change = [(268 - 531) / 531] x 100
Subtract the new number by the original number
268 - 531 = -263
-263 ÷ 531 = -0.4952919020715631
-0.4952919020715631 x 100 = -49.53%