-6.13% is the change from 864 to 811
Calculation steps:
[( 811 - 864 ) ÷ 864] x 100 = -6.13%
Formula
Percentage change = [(811 - 864) / 864] x 100
Subtract the new number by the original number
811 - 864 = -53
-53 ÷ 864 = -0.061342592592592594
-0.061342592592592594 x 100 = -6.13%