-70.83% is the change from 960 to 280
Calculation steps:
[( 280 - 960 ) ÷ 960] x 100 = -70.83%
Formula
Percentage change = [(280 - 960) / 960] x 100
Subtract the new number by the original number
280 - 960 = -680
-680 ÷ 960 = -0.7083333333333334
-0.7083333333333334 x 100 = -70.83%