-90.96% is the change from 852 to 77
Calculation steps:
[( 77 - 852 ) ÷ 852] x 100 = -90.96%
Formula
Percentage change = [(77 - 852) / 852] x 100
Subtract the new number by the original number
77 - 852 = -775
-775 ÷ 852 = -0.9096244131455399
-0.9096244131455399 x 100 = -90.96%