-98.59% is the change from 990 to 14
Calculation steps:
[( 14 - 990 ) ÷ 990] x 100 = -98.59%
Formula
Percentage change = [(14 - 990) / 990] x 100
Subtract the new number by the original number
14 - 990 = -976
-976 ÷ 990 = -0.9858585858585859
-0.9858585858585859 x 100 = -98.59%