-56.62% is the change from 717 to 311
Calculation steps:
[( 311 - 717 ) ÷ 717] x 100 = -56.62%
Formula
Percentage change = [(311 - 717) / 717] x 100
Subtract the new number by the original number
311 - 717 = -406
-406 ÷ 717 = -0.5662482566248257
-0.5662482566248257 x 100 = -56.62%