-90.59% is the change from 999 to 94
Calculation steps:
[( 94 - 999 ) ÷ 999] x 100 = -90.59%
Formula
Percentage change = [(94 - 999) / 999] x 100
Subtract the new number by the original number
94 - 999 = -905
-905 ÷ 999 = -0.9059059059059059
-0.9059059059059059 x 100 = -90.59%