-66.51% is the change from 860 to 288
Calculation steps:
[( 288 - 860 ) ÷ 860] x 100 = -66.51%
Formula
Percentage change = [(288 - 860) / 860] x 100
Subtract the new number by the original number
288 - 860 = -572
-572 ÷ 860 = -0.6651162790697674
-0.6651162790697674 x 100 = -66.51%