-31.66% is the change from 518 to 354
Calculation steps:
[( 354 - 518 ) ÷ 518] x 100 = -31.66%
Formula
Percentage change = [(354 - 518) / 518] x 100
Subtract the new number by the original number
354 - 518 = -164
-164 ÷ 518 = -0.3166023166023166
-0.3166023166023166 x 100 = -31.66%