-50.16% is the change from 959 to 478
Calculation steps:
[( 478 - 959 ) ÷ 959] x 100 = -50.16%
Formula
Percentage change = [(478 - 959) / 959] x 100
Subtract the new number by the original number
478 - 959 = -481
-481 ÷ 959 = -0.5015641293013556
-0.5015641293013556 x 100 = -50.16%