-38.54% is the change from 864 to 531
Calculation steps:
[( 531 - 864 ) ÷ 864] x 100 = -38.54%
Formula
Percentage change = [(531 - 864) / 864] x 100
Subtract the new number by the original number
531 - 864 = -333
-333 ÷ 864 = -0.3854166666666667
-0.3854166666666667 x 100 = -38.54%