-97.48% is the change from 715 to 18
Calculation steps:
[( 18 - 715 ) ÷ 715] x 100 = -97.48%
Formula
Percentage change = [(18 - 715) / 715] x 100
Subtract the new number by the original number
18 - 715 = -697
-697 ÷ 715 = -0.9748251748251748
-0.9748251748251748 x 100 = -97.48%