-81.6% is the change from 848 to 156
Calculation steps:
[( 156 - 848 ) ÷ 848] x 100 = -81.6%
Formula
Percentage change = [(156 - 848) / 848] x 100
Subtract the new number by the original number
156 - 848 = -692
-692 ÷ 848 = -0.8160377358490566
-0.8160377358490566 x 100 = -81.6%