-54.51% is the change from 477 to 217
Calculation steps:
[( 217 - 477 ) ÷ 477] x 100 = -54.51%
Formula
Percentage change = [(217 - 477) / 477] x 100
Subtract the new number by the original number
217 - 477 = -260
-260 ÷ 477 = -0.5450733752620545
-0.5450733752620545 x 100 = -54.51%