-96.87% is the change from 959 to 30
Calculation steps:
[( 30 - 959 ) ÷ 959] x 100 = -96.87%
Formula
Percentage change = [(30 - 959) / 959] x 100
Subtract the new number by the original number
30 - 959 = -929
-929 ÷ 959 = -0.9687174139728885
-0.9687174139728885 x 100 = -96.87%