-22.79% is the change from 860 to 664
Calculation steps:
[( 664 - 860 ) ÷ 860] x 100 = -22.79%
Formula
Percentage change = [(664 - 860) / 860] x 100
Subtract the new number by the original number
664 - 860 = -196
-196 ÷ 860 = -0.22790697674418606
-0.22790697674418606 x 100 = -22.79%