-10.9% is the change from 899 to 801
Calculation steps:
[( 801 - 899 ) ÷ 899] x 100 = -10.9%
Formula
Percentage change = [(801 - 899) / 899] x 100
Subtract the new number by the original number
801 - 899 = -98
-98 ÷ 899 = -0.10901001112347053
-0.10901001112347053 x 100 = -10.9%