-89.58% is the change from 960 to 100
Calculation steps:
[( 100 - 960 ) ÷ 960] x 100 = -89.58%
Formula
Percentage change = [(100 - 960) / 960] x 100
Subtract the new number by the original number
100 - 960 = -860
-860 ÷ 960 = -0.8958333333333334
-0.8958333333333334 x 100 = -89.58%