-99.17% is the change from 848 to 7
Calculation steps:
[( 7 - 848 ) ÷ 848] x 100 = -99.17%
Formula
Percentage change = [(7 - 848) / 848] x 100
Subtract the new number by the original number
7 - 848 = -841
-841 ÷ 848 = -0.9917452830188679
-0.9917452830188679 x 100 = -99.17%