-68.75% is the change from 864 to 270
Calculation steps:
[( 270 - 864 ) ÷ 864] x 100 = -68.75%
Formula
Percentage change = [(270 - 864) / 864] x 100
Subtract the new number by the original number
270 - 864 = -594
-594 ÷ 864 = -0.6875
-0.6875 x 100 = -68.75%