-49.52% is the change from 947 to 478
Calculation steps:
[( 478 - 947 ) ÷ 947] x 100 = -49.52%
Formula
Percentage change = [(478 - 947) / 947] x 100
Subtract the new number by the original number
478 - 947 = -469
-469 ÷ 947 = -0.4952481520591341
-0.4952481520591341 x 100 = -49.52%