-53.13% is the change from 960 to 450
Calculation steps:
[( 450 - 960 ) ÷ 960] x 100 = -53.13%
Formula
Percentage change = [(450 - 960) / 960] x 100
Subtract the new number by the original number
450 - 960 = -510
-510 ÷ 960 = -0.53125
-0.53125 x 100 = -53.13%