-50% is the change from 476 to 238
Calculation steps:
[( 238 - 476 ) ÷ 476] x 100 = -50%
Formula
Percentage change = [(238 - 476) / 476] x 100
Subtract the new number by the original number
238 - 476 = -238
-238 ÷ 476 = -0.5
-0.5 x 100 = -50%
Example