-88.84% is the change from 717 to 80
Calculation steps:
[( 80 - 717 ) ÷ 717] x 100 = -88.84%
Formula
Percentage change = [(80 - 717) / 717] x 100
Subtract the new number by the original number
80 - 717 = -637
-637 ÷ 717 = -0.8884239888423989
-0.8884239888423989 x 100 = -88.84%