-48.68% is the change from 947 to 486
Calculation steps:
[( 486 - 947 ) ÷ 947] x 100 = -48.68%
Formula
Percentage change = [(486 - 947) / 947] x 100
Subtract the new number by the original number
486 - 947 = -461
-461 ÷ 947 = -0.48680042238648363
-0.48680042238648363 x 100 = -48.68%