-43.4% is the change from 477 to 270
Calculation steps:
[( 270 - 477 ) ÷ 477] x 100 = -43.4%
Formula
Percentage change = [(270 - 477) / 477] x 100
Subtract the new number by the original number
270 - 477 = -207
-207 ÷ 477 = -0.4339622641509434
-0.4339622641509434 x 100 = -43.4%