-39.81% is the change from 859 to 517
Calculation steps:
[( 517 - 859 ) ÷ 859] x 100 = -39.81%
Formula
Percentage change = [(517 - 859) / 859] x 100
Subtract the new number by the original number
517 - 859 = -342
-342 ÷ 859 = -0.3981373690337602
-0.3981373690337602 x 100 = -39.81%