-86.11% is the change from 864 to 120
Calculation steps:
[( 120 - 864 ) ÷ 864] x 100 = -86.11%
Formula
Percentage change = [(120 - 864) / 864] x 100
Subtract the new number by the original number
120 - 864 = -744
-744 ÷ 864 = -0.8611111111111112
-0.8611111111111112 x 100 = -86.11%