-95.49% is the change from 864 to 39
Calculation steps:
[( 39 - 864 ) ÷ 864] x 100 = -95.49%
Formula
Percentage change = [(39 - 864) / 864] x 100
Subtract the new number by the original number
39 - 864 = -825
-825 ÷ 864 = -0.9548611111111112
-0.9548611111111112 x 100 = -95.49%