-57.5% is the change from 960 to 408
Calculation steps:
[( 408 - 960 ) ÷ 960] x 100 = -57.5%
Formula
Percentage change = [(408 - 960) / 960] x 100
Subtract the new number by the original number
408 - 960 = -552
-552 ÷ 960 = -0.575
-0.575 x 100 = -57.5%