-40% is the change from 885 to 531
Calculation steps:
[( 531 - 885 ) ÷ 885] x 100 = -40%
Formula
Percentage change = [(531 - 885) / 885] x 100
Subtract the new number by the original number
531 - 885 = -354
-354 ÷ 885 = -0.4
-0.4 x 100 = -40%
Example