-89.9% is the change from 960 to 97
Calculation steps:
[( 97 - 960 ) ÷ 960] x 100 = -89.9%
Formula
Percentage change = [(97 - 960) / 960] x 100
Subtract the new number by the original number
97 - 960 = -863
-863 ÷ 960 = -0.8989583333333333
-0.8989583333333333 x 100 = -89.9%