-98.24% is the change from 966 to 17
Calculation steps:
[( 17 - 966 ) ÷ 966] x 100 = -98.24%
Formula
Percentage change = [(17 - 966) / 966] x 100
Subtract the new number by the original number
17 - 966 = -949
-949 ÷ 966 = -0.9824016563146998
-0.9824016563146998 x 100 = -98.24%