-47.84% is the change from 947 to 494
Calculation steps:
[( 494 - 947 ) ÷ 947] x 100 = -47.84%
Formula
Percentage change = [(494 - 947) / 947] x 100
Subtract the new number by the original number
494 - 947 = -453
-453 ÷ 947 = -0.4783526927138332
-0.4783526927138332 x 100 = -47.84%