-53.9% is the change from 846 to 390
Calculation steps:
[( 390 - 846 ) ÷ 846] x 100 = -53.9%
Formula
Percentage change = [(390 - 846) / 846] x 100
Subtract the new number by the original number
390 - 846 = -456
-456 ÷ 846 = -0.5390070921985816
-0.5390070921985816 x 100 = -53.9%