-9.27% is the change from 960 to 871
Calculation steps:
[( 871 - 960 ) ÷ 960] x 100 = -9.27%
Formula
Percentage change = [(871 - 960) / 960] x 100
Subtract the new number by the original number
871 - 960 = -89
-89 ÷ 960 = -0.09270833333333334
-0.09270833333333334 x 100 = -9.27%