-47.46% is the change from 531 to 279
Calculation steps:
[( 279 - 531 ) ÷ 531] x 100 = -47.46%
Formula
Percentage change = [(279 - 531) / 531] x 100
Subtract the new number by the original number
279 - 531 = -252
-252 ÷ 531 = -0.4745762711864407
-0.4745762711864407 x 100 = -47.46%