-67.02% is the change from 861 to 284
Calculation steps:
[( 284 - 861 ) ÷ 861] x 100 = -67.02%
Formula
Percentage change = [(284 - 861) / 861] x 100
Subtract the new number by the original number
284 - 861 = -577
-577 ÷ 861 = -0.670150987224158
-0.670150987224158 x 100 = -67.02%