-41.56% is the change from 859 to 502
Calculation steps:
[( 502 - 859 ) ÷ 859] x 100 = -41.56%
Formula
Percentage change = [(502 - 859) / 859] x 100
Subtract the new number by the original number
502 - 859 = -357
-357 ÷ 859 = -0.41559953434225844
-0.41559953434225844 x 100 = -41.56%