-93.09% is the change from 999 to 69
Calculation steps:
[( 69 - 999 ) ÷ 999] x 100 = -93.09%
Formula
Percentage change = [(69 - 999) / 999] x 100
Subtract the new number by the original number
69 - 999 = -930
-930 ÷ 999 = -0.9309309309309309
-0.9309309309309309 x 100 = -93.09%