-47.38% is the change from 477 to 251
Calculation steps:
[( 251 - 477 ) ÷ 477] x 100 = -47.38%
Formula
Percentage change = [(251 - 477) / 477] x 100
Subtract the new number by the original number
251 - 477 = -226
-226 ÷ 477 = -0.47379454926624737
-0.47379454926624737 x 100 = -47.38%