-83.61% is the change from 848 to 139
Calculation steps:
[( 139 - 848 ) ÷ 848] x 100 = -83.61%
Formula
Percentage change = [(139 - 848) / 848] x 100
Subtract the new number by the original number
139 - 848 = -709
-709 ÷ 848 = -0.8360849056603774
-0.8360849056603774 x 100 = -83.61%