-41.4% is the change from 860 to 504
Calculation steps:
[( 504 - 860 ) ÷ 860] x 100 = -41.4%
Formula
Percentage change = [(504 - 860) / 860] x 100
Subtract the new number by the original number
504 - 860 = -356
-356 ÷ 860 = -0.413953488372093
-0.413953488372093 x 100 = -41.4%