-98.81% is the change from 843 to 10
Calculation steps:
[( 10 - 843 ) ÷ 843] x 100 = -98.81%
Formula
Percentage change = [(10 - 843) / 843] x 100
Subtract the new number by the original number
10 - 843 = -833
-833 ÷ 843 = -0.9881376037959668
-0.9881376037959668 x 100 = -98.81%