-22.01% is the change from 518 to 404
Calculation steps:
[( 404 - 518 ) ÷ 518] x 100 = -22.01%
Formula
Percentage change = [(404 - 518) / 518] x 100
Subtract the new number by the original number
404 - 518 = -114
-114 ÷ 518 = -0.22007722007722008
-0.22007722007722008 x 100 = -22.01%