-50.1% is the change from 958 to 478
Calculation steps:
[( 478 - 958 ) ÷ 958] x 100 = -50.1%
Formula
Percentage change = [(478 - 958) / 958] x 100
Subtract the new number by the original number
478 - 958 = -480
-480 ÷ 958 = -0.5010438413361169
-0.5010438413361169 x 100 = -50.1%