-50.64% is the change from 859 to 424
Calculation steps:
[( 424 - 859 ) ÷ 859] x 100 = -50.64%
Formula
Percentage change = [(424 - 859) / 859] x 100
Subtract the new number by the original number
424 - 859 = -435
-435 ÷ 859 = -0.5064027939464494
-0.5064027939464494 x 100 = -50.64%