-93.13% is the change from 990 to 68
Calculation steps:
[( 68 - 990 ) ÷ 990] x 100 = -93.13%
Formula
Percentage change = [(68 - 990) / 990] x 100
Subtract the new number by the original number
68 - 990 = -922
-922 ÷ 990 = -0.9313131313131313
-0.9313131313131313 x 100 = -93.13%