-66.94% is the change from 856 to 283
Calculation steps:
[( 283 - 856 ) ÷ 856] x 100 = -66.94%
Formula
Percentage change = [(283 - 856) / 856] x 100
Subtract the new number by the original number
283 - 856 = -573
-573 ÷ 856 = -0.669392523364486
-0.669392523364486 x 100 = -66.94%