-53.96% is the change from 847 to 390
Calculation steps:
[( 390 - 847 ) ÷ 847] x 100 = -53.96%
Formula
Percentage change = [(390 - 847) / 847] x 100
Subtract the new number by the original number
390 - 847 = -457
-457 ÷ 847 = -0.5395513577331759
-0.5395513577331759 x 100 = -53.96%