-40.45% is the change from 717 to 427
Calculation steps:
[( 427 - 717 ) ÷ 717] x 100 = -40.45%
Formula
Percentage change = [(427 - 717) / 717] x 100
Subtract the new number by the original number
427 - 717 = -290
-290 ÷ 717 = -0.40446304044630405
-0.40446304044630405 x 100 = -40.45%