-51% is the change from 947 to 464
Calculation steps:
[( 464 - 947 ) ÷ 947] x 100 = -51%
Formula
Percentage change = [(464 - 947) / 947] x 100
Subtract the new number by the original number
464 - 947 = -483
-483 ÷ 947 = -0.5100316789862724
-0.5100316789862724 x 100 = -51%