-85.5% is the change from 848 to 123
Calculation steps:
[( 123 - 848 ) ÷ 848] x 100 = -85.5%
Formula
Percentage change = [(123 - 848) / 848] x 100
Subtract the new number by the original number
123 - 848 = -725
-725 ÷ 848 = -0.8549528301886793
-0.8549528301886793 x 100 = -85.5%