-79.81% is the change from 852 to 172
Calculation steps:
[( 172 - 852 ) ÷ 852] x 100 = -79.81%
Formula
Percentage change = [(172 - 852) / 852] x 100
Subtract the new number by the original number
172 - 852 = -680
-680 ÷ 852 = -0.7981220657276995
-0.7981220657276995 x 100 = -79.81%