-24.65% is the change from 860 to 648
Calculation steps:
[( 648 - 860 ) ÷ 860] x 100 = -24.65%
Formula
Percentage change = [(648 - 860) / 860] x 100
Subtract the new number by the original number
648 - 860 = -212
-212 ÷ 860 = -0.24651162790697675
-0.24651162790697675 x 100 = -24.65%