-42.13% is the change from 864 to 500
Calculation steps:
[( 500 - 864 ) ÷ 864] x 100 = -42.13%
Formula
Percentage change = [(500 - 864) / 864] x 100
Subtract the new number by the original number
500 - 864 = -364
-364 ÷ 864 = -0.4212962962962963
-0.4212962962962963 x 100 = -42.13%