-7.6% is the change from 960 to 887
Calculation steps:
[( 887 - 960 ) ÷ 960] x 100 = -7.6%
Formula
Percentage change = [(887 - 960) / 960] x 100
Subtract the new number by the original number
887 - 960 = -73
-73 ÷ 960 = -0.07604166666666666
-0.07604166666666666 x 100 = -7.6%