-85.3% is the change from 864 to 127
Calculation steps:
[( 127 - 864 ) ÷ 864] x 100 = -85.3%
Formula
Percentage change = [(127 - 864) / 864] x 100
Subtract the new number by the original number
127 - 864 = -737
-737 ÷ 864 = -0.8530092592592593
-0.8530092592592593 x 100 = -85.3%