-40.31% is the change from 717 to 428
Calculation steps:
[( 428 - 717 ) ÷ 717] x 100 = -40.31%
Formula
Percentage change = [(428 - 717) / 717] x 100
Subtract the new number by the original number
428 - 717 = -289
-289 ÷ 717 = -0.403068340306834
-0.403068340306834 x 100 = -40.31%