-29.93% is the change from 999 to 700
Calculation steps:
[( 700 - 999 ) ÷ 999] x 100 = -29.93%
Formula
Percentage change = [(700 - 999) / 999] x 100
Subtract the new number by the original number
700 - 999 = -299
-299 ÷ 999 = -0.2992992992992993
-0.2992992992992993 x 100 = -29.93%