-89.1% is the change from 899 to 98
Calculation steps:
[( 98 - 899 ) ÷ 899] x 100 = -89.1%
Formula
Percentage change = [(98 - 899) / 899] x 100
Subtract the new number by the original number
98 - 899 = -801
-801 ÷ 899 = -0.8909899888765295
-0.8909899888765295 x 100 = -89.1%