-25.93% is the change from 860 to 637
Calculation steps:
[( 637 - 860 ) ÷ 860] x 100 = -25.93%
Formula
Percentage change = [(637 - 860) / 860] x 100
Subtract the new number by the original number
637 - 860 = -223
-223 ÷ 860 = -0.2593023255813954
-0.2593023255813954 x 100 = -25.93%