-55% is the change from 960 to 432
Calculation steps:
[( 432 - 960 ) ÷ 960] x 100 = -55%
Formula
Percentage change = [(432 - 960) / 960] x 100
Subtract the new number by the original number
432 - 960 = -528
-528 ÷ 960 = -0.55
-0.55 x 100 = -55%
Example