-0.75% is the change from 531 to 527
Calculation steps:
[( 527 - 531 ) ÷ 531] x 100 = -0.75%
Formula
Percentage change = [(527 - 531) / 531] x 100
Subtract the new number by the original number
527 - 531 = -4
-4 ÷ 531 = -0.007532956685499058
-0.007532956685499058 x 100 = -0.75%