-81.25% is the change from 848 to 159
Calculation steps:
[( 159 - 848 ) ÷ 848] x 100 = -81.25%
Formula
Percentage change = [(159 - 848) / 848] x 100
Subtract the new number by the original number
159 - 848 = -689
-689 ÷ 848 = -0.8125
-0.8125 x 100 = -81.25%