-98.65% is the change from 960 to 13
Calculation steps:
[( 13 - 960 ) ÷ 960] x 100 = -98.65%
Formula
Percentage change = [(13 - 960) / 960] x 100
Subtract the new number by the original number
13 - 960 = -947
-947 ÷ 960 = -0.9864583333333333
-0.9864583333333333 x 100 = -98.65%