-99.3% is the change from 852 to 6
Calculation steps:
[( 6 - 852 ) ÷ 852] x 100 = -99.3%
Formula
Percentage change = [(6 - 852) / 852] x 100
Subtract the new number by the original number
6 - 852 = -846
-846 ÷ 852 = -0.9929577464788732
-0.9929577464788732 x 100 = -99.3%