-66.82% is the change from 859 to 285
Calculation steps:
[( 285 - 859 ) ÷ 859] x 100 = -66.82%
Formula
Percentage change = [(285 - 859) / 859] x 100
Subtract the new number by the original number
285 - 859 = -574
-574 ÷ 859 = -0.6682188591385332
-0.6682188591385332 x 100 = -66.82%