-13.65% is the change from 960 to 829
Calculation steps:
[( 829 - 960 ) ÷ 960] x 100 = -13.65%
Formula
Percentage change = [(829 - 960) / 960] x 100
Subtract the new number by the original number
829 - 960 = -131
-131 ÷ 960 = -0.13645833333333332
-0.13645833333333332 x 100 = -13.65%