-27.58% is the change from 718 to 520
Calculation steps:
[( 520 - 718 ) ÷ 718] x 100 = -27.58%
Formula
Percentage change = [(520 - 718) / 718] x 100
Subtract the new number by the original number
520 - 718 = -198
-198 ÷ 718 = -0.2757660167130919
-0.2757660167130919 x 100 = -27.58%