-50.1% is the change from 477 to 238
Calculation steps:
[( 238 - 477 ) ÷ 477] x 100 = -50.1%
Formula
Percentage change = [(238 - 477) / 477] x 100
Subtract the new number by the original number
238 - 477 = -239
-239 ÷ 477 = -0.5010482180293501
-0.5010482180293501 x 100 = -50.1%