-27.86% is the change from 718 to 518
Calculation steps:
[( 518 - 718 ) ÷ 718] x 100 = -27.86%
Formula
Percentage change = [(518 - 718) / 718] x 100
Subtract the new number by the original number
518 - 718 = -200
-200 ÷ 718 = -0.2785515320334262
-0.2785515320334262 x 100 = -27.86%