-53.13% is the change from 864 to 405
Calculation steps:
[( 405 - 864 ) ÷ 864] x 100 = -53.13%
Formula
Percentage change = [(405 - 864) / 864] x 100
Subtract the new number by the original number
405 - 864 = -459
-459 ÷ 864 = -0.53125
-0.53125 x 100 = -53.13%