-88.89% is the change from 711 to 79
Calculation steps:
[( 79 - 711 ) ÷ 711] x 100 = -88.89%
Formula
Percentage change = [(79 - 711) / 711] x 100
Subtract the new number by the original number
79 - 711 = -632
-632 ÷ 711 = -0.8888888888888888
-0.8888888888888888 x 100 = -88.89%