-9.02% is the change from 898 to 817
Calculation steps:
[( 817 - 898 ) ÷ 898] x 100 = -9.02%
Formula
Percentage change = [(817 - 898) / 898] x 100
Subtract the new number by the original number
817 - 898 = -81
-81 ÷ 898 = -0.09020044543429843
-0.09020044543429843 x 100 = -9.02%