-79.73% is the change from 518 to 105
Calculation steps:
[( 105 - 518 ) ÷ 518] x 100 = -79.73%
Formula
Percentage change = [(105 - 518) / 518] x 100
Subtract the new number by the original number
105 - 518 = -413
-413 ÷ 518 = -0.7972972972972973
-0.7972972972972973 x 100 = -79.73%