-76.16% is the change from 864 to 206
Calculation steps:
[( 206 - 864 ) ÷ 864] x 100 = -76.16%
Formula
Percentage change = [(206 - 864) / 864] x 100
Subtract the new number by the original number
206 - 864 = -658
-658 ÷ 864 = -0.7615740740740741
-0.7615740740740741 x 100 = -76.16%