-55.51% is the change from 717 to 319
Calculation steps:
[( 319 - 717 ) ÷ 717] x 100 = -55.51%
Formula
Percentage change = [(319 - 717) / 717] x 100
Subtract the new number by the original number
319 - 717 = -398
-398 ÷ 717 = -0.5550906555090656
-0.5550906555090656 x 100 = -55.51%