-88.33% is the change from 848 to 99
Calculation steps:
[( 99 - 848 ) ÷ 848] x 100 = -88.33%
Formula
Percentage change = [(99 - 848) / 848] x 100
Subtract the new number by the original number
99 - 848 = -749
-749 ÷ 848 = -0.8832547169811321
-0.8832547169811321 x 100 = -88.33%