-54.09% is the change from 477 to 219
Calculation steps:
[( 219 - 477 ) ÷ 477] x 100 = -54.09%
Formula
Percentage change = [(219 - 477) / 477] x 100
Subtract the new number by the original number
219 - 477 = -258
-258 ÷ 477 = -0.5408805031446541
-0.5408805031446541 x 100 = -54.09%