-67.78% is the change from 717 to 231
Calculation steps:
[( 231 - 717 ) ÷ 717] x 100 = -67.78%
Formula
Percentage change = [(231 - 717) / 717] x 100
Subtract the new number by the original number
231 - 717 = -486
-486 ÷ 717 = -0.6778242677824268
-0.6778242677824268 x 100 = -67.78%