-89.66% is the change from 899 to 93
Calculation steps:
[( 93 - 899 ) ÷ 899] x 100 = -89.66%
Formula
Percentage change = [(93 - 899) / 899] x 100
Subtract the new number by the original number
93 - 899 = -806
-806 ÷ 899 = -0.896551724137931
-0.896551724137931 x 100 = -89.66%