-35.09% is the change from 798 to 518
Calculation steps:
[( 518 - 798 ) ÷ 798] x 100 = -35.09%
Formula
Percentage change = [(518 - 798) / 798] x 100
Subtract the new number by the original number
518 - 798 = -280
-280 ÷ 798 = -0.3508771929824561
-0.3508771929824561 x 100 = -35.09%