-84.98% is the change from 852 to 128
Calculation steps:
[( 128 - 852 ) ÷ 852] x 100 = -84.98%
Formula
Percentage change = [(128 - 852) / 852] x 100
Subtract the new number by the original number
128 - 852 = -724
-724 ÷ 852 = -0.8497652582159625
-0.8497652582159625 x 100 = -84.98%