-54.01% is the change from 848 to 390
Calculation steps:
[( 390 - 848 ) ÷ 848] x 100 = -54.01%
Formula
Percentage change = [(390 - 848) / 848] x 100
Subtract the new number by the original number
390 - 848 = -458
-458 ÷ 848 = -0.5400943396226415
-0.5400943396226415 x 100 = -54.01%