-90.73% is the change from 852 to 79
Calculation steps:
[( 79 - 852 ) ÷ 852] x 100 = -90.73%
Formula
Percentage change = [(79 - 852) / 852] x 100
Subtract the new number by the original number
79 - 852 = -773
-773 ÷ 852 = -0.9072769953051644
-0.9072769953051644 x 100 = -90.73%