-99.88% is the change from 864 to 1
Calculation steps:
[( 1 - 864 ) ÷ 864] x 100 = -99.88%
Formula
Percentage change = [(1 - 864) / 864] x 100
Subtract the new number by the original number
1 - 864 = -863
-863 ÷ 864 = -0.9988425925925926
-0.9988425925925926 x 100 = -99.88%