-48.15% is the change from 947 to 491
Calculation steps:
[( 491 - 947 ) ÷ 947] x 100 = -48.15%
Formula
Percentage change = [(491 - 947) / 947] x 100
Subtract the new number by the original number
491 - 947 = -456
-456 ÷ 947 = -0.4815205913410771
-0.4815205913410771 x 100 = -48.15%