-81.34% is the change from 852 to 159
Calculation steps:
[( 159 - 852 ) ÷ 852] x 100 = -81.34%
Formula
Percentage change = [(159 - 852) / 852] x 100
Subtract the new number by the original number
159 - 852 = -693
-693 ÷ 852 = -0.8133802816901409
-0.8133802816901409 x 100 = -81.34%