-88.95% is the change from 715 to 79
Calculation steps:
[( 79 - 715 ) ÷ 715] x 100 = -88.95%
Formula
Percentage change = [(79 - 715) / 715] x 100
Subtract the new number by the original number
79 - 715 = -636
-636 ÷ 715 = -0.8895104895104895
-0.8895104895104895 x 100 = -88.95%