-90.09% is the change from 908 to 90
Calculation steps:
[( 90 - 908 ) ÷ 908] x 100 = -90.09%
Formula
Percentage change = [(90 - 908) / 908] x 100
Subtract the new number by the original number
90 - 908 = -818
-818 ÷ 908 = -0.9008810572687225
-0.9008810572687225 x 100 = -90.09%