-54.44% is the change from 856 to 390
Calculation steps:
[( 390 - 856 ) ÷ 856] x 100 = -54.44%
Formula
Percentage change = [(390 - 856) / 856] x 100
Subtract the new number by the original number
390 - 856 = -466
-466 ÷ 856 = -0.544392523364486
-0.544392523364486 x 100 = -54.44%