-7.92% is the change from 518 to 477
Calculation steps:
[( 477 - 518 ) ÷ 518] x 100 = -7.92%
Formula
Percentage change = [(477 - 518) / 518] x 100
Subtract the new number by the original number
477 - 518 = -41
-41 ÷ 518 = -0.07915057915057915
-0.07915057915057915 x 100 = -7.92%