-30.31% is the change from 518 to 361
Calculation steps:
[( 361 - 518 ) ÷ 518] x 100 = -30.31%
Formula
Percentage change = [(361 - 518) / 518] x 100
Subtract the new number by the original number
361 - 518 = -157
-157 ÷ 518 = -0.3030888030888031
-0.3030888030888031 x 100 = -30.31%