-49.9% is the change from 477 to 239
Calculation steps:
[( 239 - 477 ) ÷ 477] x 100 = -49.9%
Formula
Percentage change = [(239 - 477) / 477] x 100
Subtract the new number by the original number
239 - 477 = -238
-238 ÷ 477 = -0.4989517819706499
-0.4989517819706499 x 100 = -49.9%