-87.21% is the change from 852 to 109
Calculation steps:
[( 109 - 852 ) ÷ 852] x 100 = -87.21%
Formula
Percentage change = [(109 - 852) / 852] x 100
Subtract the new number by the original number
109 - 852 = -743
-743 ÷ 852 = -0.8720657276995305
-0.8720657276995305 x 100 = -87.21%