-10.91% is the change from 898 to 800
Calculation steps:
[( 800 - 898 ) ÷ 898] x 100 = -10.91%
Formula
Percentage change = [(800 - 898) / 898] x 100
Subtract the new number by the original number
800 - 898 = -98
-98 ÷ 898 = -0.1091314031180401
-0.1091314031180401 x 100 = -10.91%