-75.81% is the change from 864 to 209
Calculation steps:
[( 209 - 864 ) ÷ 864] x 100 = -75.81%
Formula
Percentage change = [(209 - 864) / 864] x 100
Subtract the new number by the original number
209 - 864 = -655
-655 ÷ 864 = -0.7581018518518519
-0.7581018518518519 x 100 = -75.81%