-41.51% is the change from 860 to 503
Calculation steps:
[( 503 - 860 ) ÷ 860] x 100 = -41.51%
Formula
Percentage change = [(503 - 860) / 860] x 100
Subtract the new number by the original number
503 - 860 = -357
-357 ÷ 860 = -0.41511627906976745
-0.41511627906976745 x 100 = -41.51%