-93.44% is the change from 518 to 34
Calculation steps:
[( 34 - 518 ) ÷ 518] x 100 = -93.44%
Formula
Percentage change = [(34 - 518) / 518] x 100
Subtract the new number by the original number
34 - 518 = -484
-484 ÷ 518 = -0.9343629343629344
-0.9343629343629344 x 100 = -93.44%