-66.9% is the change from 855 to 283
Calculation steps:
[( 283 - 855 ) ÷ 855] x 100 = -66.9%
Formula
Percentage change = [(283 - 855) / 855] x 100
Subtract the new number by the original number
283 - 855 = -572
-572 ÷ 855 = -0.6690058479532164
-0.6690058479532164 x 100 = -66.9%