-65.25% is the change from 518 to 180
Calculation steps:
[( 180 - 518 ) ÷ 518] x 100 = -65.25%
Formula
Percentage change = [(180 - 518) / 518] x 100
Subtract the new number by the original number
180 - 518 = -338
-338 ÷ 518 = -0.6525096525096525
-0.6525096525096525 x 100 = -65.25%