-88.81% is the change from 715 to 80
Calculation steps:
[( 80 - 715 ) ÷ 715] x 100 = -88.81%
Formula
Percentage change = [(80 - 715) / 715] x 100
Subtract the new number by the original number
80 - 715 = -635
-635 ÷ 715 = -0.8881118881118881
-0.8881118881118881 x 100 = -88.81%