-68.19% is the change from 852 to 271
Calculation steps:
[( 271 - 852 ) ÷ 852] x 100 = -68.19%
Formula
Percentage change = [(271 - 852) / 852] x 100
Subtract the new number by the original number
271 - 852 = -581
-581 ÷ 852 = -0.681924882629108
-0.681924882629108 x 100 = -68.19%