-47.89% is the change from 994 to 518
Calculation steps:
[( 518 - 994 ) ÷ 994] x 100 = -47.89%
Formula
Percentage change = [(518 - 994) / 994] x 100
Subtract the new number by the original number
518 - 994 = -476
-476 ÷ 994 = -0.4788732394366197
-0.4788732394366197 x 100 = -47.89%