-40.86% is the change from 859 to 508
Calculation steps:
[( 508 - 859 ) ÷ 859] x 100 = -40.86%
Formula
Percentage change = [(508 - 859) / 859] x 100
Subtract the new number by the original number
508 - 859 = -351
-351 ÷ 859 = -0.4086146682188591
-0.4086146682188591 x 100 = -40.86%