-41.63% is the change from 860 to 502
Calculation steps:
[( 502 - 860 ) ÷ 860] x 100 = -41.63%
Formula
Percentage change = [(502 - 860) / 860] x 100
Subtract the new number by the original number
502 - 860 = -358
-358 ÷ 860 = -0.41627906976744183
-0.41627906976744183 x 100 = -41.63%