-70.06% is the change from 718 to 215
Calculation steps:
[( 215 - 718 ) ÷ 718] x 100 = -70.06%
Formula
Percentage change = [(215 - 718) / 718] x 100
Subtract the new number by the original number
215 - 718 = -503
-503 ÷ 718 = -0.7005571030640668
-0.7005571030640668 x 100 = -70.06%