-90.85% is the change from 984 to 90
Calculation steps:
[( 90 - 984 ) ÷ 984] x 100 = -90.85%
Formula
Percentage change = [(90 - 984) / 984] x 100
Subtract the new number by the original number
90 - 984 = -894
-894 ÷ 984 = -0.9085365853658537
-0.9085365853658537 x 100 = -90.85%