-52.01% is the change from 994 to 477
Calculation steps:
[( 477 - 994 ) ÷ 994] x 100 = -52.01%
Formula
Percentage change = [(477 - 994) / 994] x 100
Subtract the new number by the original number
477 - 994 = -517
-517 ÷ 994 = -0.5201207243460765
-0.5201207243460765 x 100 = -52.01%